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In a little more than three years, Twitter has become "the SMS of the Internet" for millions of people. Many find it a useful and productive form of communication, but recent attacks against the service and its users have highlighted the potential dangers of Twitter and other social networking sites. Enterprises have had to tackle not only the productivity and privacy issues associated with Twitter, but also a number of direct security threats. Unfortunately, the success of microblogging sites like Twitter relies on the same elements of human nature as social engineering attacks, particularly a natural desire and willingness to share and engage with those we trust. Most people have learned not to open attachments or links in emails from people they don't know. Yet because Twitter is seen as a friendly, group-based service, many will not hesitate to click on a shortened Twitter link, having no clue as to where it will take them.

"Facebook CEO Mark Zuckerberg has just written an open letter to Facebook users regarding a privacy overhaul that is due to hit the site in the next few weeks. Soon, users will be able to selectively choose, on a per-post basis, who can see the content they post to the site. Facebook is also going to remove regional networks entirely, largely because some of those networks (like China) consist of millions of users, which makes them useless from a privacy standpoint. If these changes sound familiar, it's because Facebook actually announced them way back in July. Zuckerberg also notes that Facebook now has 350 million users ? it has added a whopping 50 million of them in the last two and a half months. Alongside the regional network change, privacy controls will be simplified. As Facebook rolls out the new privacy settings, users will be presented with a page designed to walk them through the new options. Depending on your current privacy level, Facebook will make recommendations, though you'll be able to change them as usual. "

Juggling parental concern with an adolescent patient's legal and ethical right to privacy opens up some tricky questions. The law varies state by state,

Consumer Watchdog has sent the U.S. Justice Department a Google document presenting the best corporate arguments for why Google should not be viewed as monopolistic, along with a duplicate of the presentation marked up with comments from an expert countering the claims. The nonprofit consumer group received both documents from an anonymous industry insider. In the presentation, Google seeks to deflate increasing criticism that it is too big and powerful by spin meant to minimize the notion its search and advertising businesses are virtual monopolies. Commentary surrounding the presentation in the second document delivered to Consumer Watchdog presents information countering Google's contentions in what is described as a "Charm Offensive." "As the Justice Department examines the Google book deal and other Google enterprises it deserves to see the play book Google has prepared to deflect scrutiny and insider commentary on how many Google myths lack a basis in reality," said Consumer Watchdog President Jamie Court. "Google's charm and spin should not be allowed to deter anti-trust regulators from seeing the real problems with Google's dominance and setting appropriate limits to protect users."

As protests in Iran last month drew the world's attention, the top executives at a large global industrial goods company held a teleconference to consider their options. The meeting was hastily called, but the participants were not starting from scratch. In fact, the events unfolding in the country were strikingly similar to a scenario that they had developed, along with a handful others, in a 2008 offsite meeting focused on potential changes in their competitive environment. The workshop, the output, and the eventual impact on decision making represents a perfect illustration of how so-called scenario planning techniques can be utilized to help managers navigate in complex and uncertain environments. In the meeting the industrial company held last year, executives had discussed each scenario they developed, the potential triggers for each of them, and how the company should respond to each of these situations if it were to arise. Pulling out the notes from these discussions, they already knew their options and had a view on how they would like to respond. In many ways, they were prepared -- and already one step ahead of some other companies.

Further proof that LA has it head in the clouds - A plan to overhaul the city of Los Angeles' computer system is raising concerns about the security of confidential information. The nation's second-largest city is considering dumping its in-house computer network for Google Inc. e-mail and office programs that are accessed over the Internet. But the city police union says it doesn't have enough information to determine if sensitive witness and investigation files will be secure from hackers. Google spokeswoman Aviva Gilbert says security "is built into the DNA of our products."

A plan to overhaul the city of Los Angeles' computer system is raising concerns about the security of confidential information. The nation's second-largest city is considering dumping its in-house computer network for Google Inc. e-mail and office programs that are accessed over the Internet. But the city police union says it doesn't have enough information to determine if sensitive witness and investigation files will be secure from hackers. Google spokeswoman Aviva Gilbert says security "is built into the DNA of our products."