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So, to answer your question, the reason you notice the strange mix of reactions to wikis is due to the quite varied ways in which wikis can be employed in educational settings. At the far end of the risk continuum they might be used in place of expert knowledge. More safely, they can simply accumulate knowledge and information resources for a class. As my colleagues and I found in our first semester teaching with wikis, when interesting online resources are found, students will often say, “put it in the wiki” so it can be forever shared. And that is not a bad way to start to use them. Instructors can dip their toes into the wonderful world of wikis and remain in shallow waters testing them out before they get in too deep. Later, they might try Wikibooks or perhaps creating and editing Wikipedia pages.

We will see a lengthening of higher education during the coming decades of about 1 year for each 10. By the end of this century, it will be quite common to attend college until one is 30. Today only a small percent do. Open education will provide continued access to learning resources before, during, or after graduation. In turn, there will be less self-doubt about whether one can succeed. The increased knowledge needs of every citizen of this planet should calm the fears of those who predict fewer educators or institutions of higher learning will be needed. Just the opposite!

The type of instructors needed in higher education will dramatically vary from today. Many will remain in traditional instructor roles. Some will be course and program developers. Others will be online facilitators. Still others will be learning guides who help students make sense of their options. What is more interesting to me is the coming rise of the super e-mentor or e-coach. Such individuals will have a discipline expertise (e.g., theater, journalism, public health, finance, etc.) as well as human development or counseling skills. Third, they will understand the learning opportunities of the Web. They will know how to guide students in their online learning quests. Some will be needed daily, some monthly, and others perhaps just annually or biannually. They will be our learning gurus, in this, what I label, “the learning century.”Global and international education will be the buzz words of the coming decade. They already are. Student peers will increasingly be those from other institutions and regions of the world. One’s cohort groups will include many people that you will never physically meet. This will make affiliations with just one institution more difficult. More people will claim to be alums and be loyal to your institution but not to the same depth or degree as before.

Students will have more opportunities to create their own degree tracks and programs. There are no longer limits in terms of the time, place, and sequence of courses. The degrees offered will only be limited by one’s imagination. With the range of courses today, self-service learning will be the norm. It already is widely accepted in corporate training circles.

At Harvard, we're seeing fewer hires because of the economy, but when we do make hires, we're looking for cross-disciplinary scholars.

for my students I ask them to write skill-based resumes. Their job histories should be downplayed and woven into the skills they can bring to employers.

For other professors, I've seen a lot of my colleagues come and go from here. Those who have been successful (either at Harvard or at their next jobs) understand that their learning only begins when they get a Ph.D. Some of my friends from graduate school thought they had reached some "finish line" when they got their doctorates. That's crazy. That's the starting line. Scholars who have successful careers diversify their skills and interests. They keep up with journals while also trying to become more "public intellectuals." I think of it this way: even though we're not in a Ph.D. program any longer, we should imagine ourselves getting a new Ph.D. every six years. We're not just in the "teaching business," we're in the "learning business." As the world changes, we need to, too.

it has made the work of educational administrators exponentially more difficult. Students now talk, up and down the years, via the recorded ratings on the site. It isn’t possible for an institution of higher education to disguise an individual who happens to be a world-class researcher but a rather ordinary lecturer. In earlier times, schools could foist these instructors on students, who’d be stuck for a semester. This no longer happens, because RateMyProfessors.com effectively warns students away from the poor-quality teachers.

This one site has undone all of the neat work of tenure boards and department chairs throughout the entire world of academia.

The battle for control over who stands in front of the classroom has now been decisively lost by the administration in favor of the students.

That knowledge, once pooled, takes on a life of its own, and finds itself in places where it has uses that its makers never intended.

If we are smart enough, we can learn a lesson here and now that we will eventually learn – rather more expensively – if we wait. The lesson is simple: control is over. This is not about control anymore. This is about finding a way to survive and thrive in chaos.

the shape of things to come. But there are some other trends which are also becoming visible. The first and most significant of these is the trend toward sharing lecture material online, so that it reaches a very large audience.

the possibility that some individuals or group of individuals might create their own context around the lectures. And this is where the future seems to be pointing.

When broken down to its atomic components, the classroom is an agreement between an instructor and a set of students. The instructor agrees to offer expertise and mentorship, while the students offer their attention and dedication. The question now becomes what role, if any, the educational institution plays in coordinating any of these components. Students can share their ratings online – why wouldn’t they also share their educational goals? Once they’ve pooled their goals, what keeps them from recruiting their own instructor, booking their own classroom, indeed, just doing it all themselves?

Why not create a new kind of “Open University”, a website that offers nothing but the kinds of scheduling and coordination tools students might need to organize their own courses?

In this near future world, students are the administrators.

Now since most education is funded by the government, there will obviously be other forces at play; it may be that “administration”, such as it is, represents the government oversight function which ensures standards are being met. In any case, this does not look much like the educational institution of the 20th century – though it does look quite a bit like the university of the 13th century, where students would find and hire instructors to teach them subjects.

The lecturer now helps the students find the material available online, and helps them to make sense of it, contextualizing and informing their understanding. even as the students continue to work their way through the ever-growing set of information. The instructor can not know everything available online on any subject, but will be aware of the best (or at least, favorite) resources, and will pass along these resources as a key outcome of the educational process. The instructor facilitates and mentors, as they have always done, but they are no longer the gatekeepers, because there are no gatekeepers,

The classroom in this fungible future of student administrators and evolved lecturers is any place where learning happens.

At one end of the scale, students will be able work online with each other and with an lecturer to master material; at the other end, students will work closely with a mentor in a specialist classroom. This entire range of possibilities can be accommodated without much of the infrastructure we presently associate with educational institutions. The classroom will both implode – vanishing online – and explode – the world will become the classroom.

Flexibility and fluidity are the hallmark qualities of the 21st century educational institution. An analysis of the atomic features of the educational process shows that the course is a series of readings, assignments and lectures that happen in a given room on a given schedule over a specific duration. In our drive to flexibility how can we reduce the class into to essential, indivisible elements? How can we capture those elements? Once captured, how can we get these elements to the students? And how can the students share elements which they’ve found in their own studies?

This is the basic idea that’s guiding Stanford and MIT: recording is cheap, lecturers are expensive, and students are forgetful. Somewhere in the middle these three trends meet around recorded media. Yes, a student at Stanford who misses a lecture can download and watch it later, and that’s a good thing. But it also means that any student, anywhere, can download the same lecture.

Every one of these recordings has value, and the more recordings you have, the larger the horde you’re sitting upon. If you think of it like that – banking your work – the logic of capturing everything becomes immediately clear.

While education definitely has value – teachers are paid for the work – that does not mean that resources, once captured, should be tightly restricted to authorized users only. In fact, the opposite is the case: the resources you capture should be shared as broadly as can possibly be managed. More than just posting them onto a website (or YouTube or iTunes), you should trumpet their existence from the highest tower. These resources are your calling card, these resources are your recruiting tool.

the more something is shared, the more valuable it becomes. You extend your brand with every resource you share. You extend the knowledge of your institution throughout the Internet. Whatever you have – if it’s good enough – will bring people to your front door, first virtually, then physically.

Stanford and MIT

show a different way to value education – as experience. You can’t download experience. You can’t bottle it. Experience has to be lived, and that requires a teacher.

Rather than going for a commercial solution, I would advise you to look at the open-source solutions. Rather than buying a solution, use Moodle, the open-source, Australian answer to digital courseware. Going open means that as your needs change, the software can change to meet those needs. Given the extraordinary pressures education will be under over the next few years, openness is a necessary component of flexibility.

Openness is also about achieving a certain level of device-independence.

here are many screens today, and while the laptop screen may be the most familiar to educators, the mobile handset has a screen which is, in many ways, more vital. Many students will never be very computer literate, but every single one of them has a mobile handset, and every single one of them sends text messages. It’s the big of computer technology we nearly always overlook – because it is so commonplace. Consider every screen when you capture, and when you share; dealing with them all as equals will help you work find audiences you never suspected you’d have.

Yet net filtering throws the baby out with the bathwater. Services like Twitter get filtered out because they could potentially be disruptive, cutting students off from the amazing learning potential of social messaging. Facebook and MySpace are seen as time-wasters, rather than tools for organizing busy schedules. The list goes on: media sites are blocked because the schools don’t have enough bandwidth to support them; Wikipedia is blocked because teachers don’t want students cheating. All of this has got to stop. The classroom does not exist in isolation, nor can it continue to exist in opposition to the Internet. Filtering, while providing a stopgap, only leaves students painfully aware of how disconnected the classroom is from the real world. Filtering makes the classroom less flexible and less responsive. Filtering is lazy.

Mind the maxim of the 21st century: connection is king. Students must be free to connect with instructors, almost at whim. This becomes difficult for instructors to manage, but it is vital. Mentorship has exploded out of the classroom and, through connectivity, entered everyday life.

Finally, students must be free to (and encouraged to) connect with their peers. Part of the reason we worry about lecturers being overburdened by all this connectivity is because we have yet to realize that this is a multi-lateral, multi-way affair. It’s not as though all questions and issues immediately rise to the instructor’s attention. This should happen if and only if another student can’t be found to address the issue. Students can instruct one another, can mentor one another, can teach one another. All of this happens already in every classroom; it’s long past time to provide the tools to accelerate this natural and effective form of education.

Connection is expensive, not in dollars, but in time. But for all its drawbacks, connection enriches us enormously. It allows us to multiply our reach, and learn from the best.

learning by listening is proved to be much harder than learning by reading.

RateMyProfessors is a good start, and anecdotes about how people use it is interesting, but it has a long long way to go before it comes close to being reliable let alone authoritative.

"Colleges have become outrageously expensive, yet there remains a general refusal to acknowledge the implications of new technologies," says Jim Groom, an "instructional technologist" at Virginia's University of Mary Washington and a prominent voice in the blogosphere for blowing up college as we know it. Groom, a chain-smoker with an ever-present five days' growth of beard, coined the term "edupunk" to describe the growing movement toward high-tech do-it-yourself education. "Edupunk," he tells me in the opening notes of his first email, "is about the utter irresponsibility and lethargy of educational institutions and the means by which they are financially cannibalizing their own mission."

The edupunks are on the march. From VC-funded startups to the ivied walls of Harvard, new experiments and business models are springing up from entrepreneurs, professors, and students alike. Want a class that's structured like a role-playing game? An accredited bachelor's degree for a few thousand dollars? A free, peer-to-peer Wiki university? These all exist today, the overture to a complete educational remix.

"If universities can't find the will to innovate and adapt to changes in the world around them," professor David Wiley of Brigham Young University has written, "universities will be irrelevant by 2020."

The challenge is not to bring technology into the classroom, he points out. The millennials, with their Facebook and their cell phones, have done that. The challenge is to capture the potential of technology to lower costs and improve learning for all.