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It’s not hard to imagine a slew of commercial applications for this technology. You could compare prices of a product online, learn how to operate that old water heater whose manual you have lost or find out about the environmental record of a certain brand of tuna. But Goggles and similar products could also tell the history of a building, help travelers get around in a foreign country or even help blind people navigate their surroundings.

But recognizing images at what techies call “scale,” meaning thousands or even millions of images, is hugely difficult, partly because it requires enormous computing power. It turns out that Google, with its collection of massive data centers, has just that.

What you want from a secondary source is a good introduction to a concept, that is mostly reliable, up-to-date, entries for as many topics as possible, connections to where to go to learn more, and easy and ubiquitous (as possible) access. A secondary source is not an in depth analysis which upon reading one is suddenly an expert on said entry or topic, it’s not designed to be. It is just a good overview. No secondary source is going to be completely accurate, or engage in the level of detail and nuance which we want from students, or that is required to fully “know” about a subject.

The issue is not that Wikipedia is or is not reliable and thus should be banned in academic environments, rather the issue is that Wikipedia is a secondary source and thus should not be treated as a primary one.

Wikipedia has substantial advantages over any prior encyclopedia model.

If you want to know why newspapers are in such trouble, the most salient fact is this: Printing presses are terrifically expensive to set up and to run. This bit of economics, normal since Gutenberg, limits competition while creating positive returns to scale for the press owner, a happy pair of economic effects that feed on each other.

The expense of printing created an environment where Wal-Mart was willing to subsidize the Baghdad bureau.

So Vuorensola took matters into his own hands: he used a Finnish social networking site to build up an online fan base who contributed to the storyline, made props and even offered their acting skills. In return for the help, Vuorensola released Star Wreck in 2005 online for free. Seven hundred thousand copies were downloaded in the first week alone; to date, the total has now reached 9 million.

"Whether it's through piracy or distribution your film is out there on the Internet, so we decided to harness this."

"I have my blog, but I essentially gave the film to the audience and they ran with it," Paley says. "It wasn't self-distribution, it was audience distribution."

This type of rigorous thought will only come with altering the structure to include more collaboration and realignment of priorities to ensure that adequate time is spent discussing “cross sections” of curriculum. Since time is a valuable priority, I would suggest a virtual set-up (via blogs or a Ning) that allows for ideas to flow freely. In addition, including some aspect of this in end-of-year summaries for teachers and administrators would stimulate more of a sense of urgency to deal with this problem. I contend that much of the reason these types of assignments do not exist is the product of a lack of time for teachers to develop strong collegial relationships with teachers that they normally do not come in contact with. The key is that we need to break the tradition of “closed door” classrooms and allow professionals from other departments, schools, and districts in to acquire a gauge on what students are studying in other subject areas.

By working to create a culture and structure that cultivate deeper professional relationships between teachers of different backgrounds, the challenge of assignments can only improve.