Here's a story that will make you think twice about what you share on Facebook. Researchers with the University of British Columbia's NetSysLab let loose what are called "socialbots" on Facebook, and came away with 250 gigabytes of personally identifiable data. The results of the study show that Facebook users need to be much more cognizant of exactly what they share, and who they add as friends.

A socialbot is a bot that comes in the form of a faked user profile. The bot friend requests users on the site, and then once the requests are accepted, it downloads the personal information on the profile. NetSysLab researchers report a success rate of up to 80 percent in tricking Facebook users into adding the fake profiles and making matters worse, Facebook's protective measures did little to detect or prevent the researcher's infiltration.

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I've never been a big fan of social networking sites.

I'm not on Facebook. Or Myspace. Or LinkedIn. Or Bebo. Or Orkut. Of course, I have to follow what's happening on these services as they are very popular. And I have set up placeholder accounts on them to prevent someone from posing as me. But I don't really use them. And when I monitor these sites, what I can see is that they are more and more targeted by online criminals.

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You'd think so after seeing all the bug reports. Ah, perhaps Facebook should have waited even longer to release the app supporting iPad. If not for how long people waited for this version, someone could accuse Facebook of rushing the new iOS app out the door. Scratch that, the app can't possibly be ready.

Less than 24 hours has passed since Facebook 4 for iOS appeared on Apple's App Store. The number of 1-star ratings and complaints about crashes and other problems is staggering. They go on and on and on. The majority are similar.

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The wait is over. You heard the rumors and saw the leaked screenshots. You believe in unicorns and UFOs. But it was growing hard to keep believing in Facebook for iPad. Today, the social network rewards your faith and anoints your pad with Facebook 4.0. Surely aliens will land tomorrow and unicorns will be found in some remote jungle. If so, you can more easily tell all your friends from iPad.

Facebook 4.0 is the long-anticipated remedy for what ills iPad: FB iPhone app. The social network released Facebook 3.5 for iOS in early September and to the disbelief of many unicorn and UFO hunters (and plenty other people) without the long-anticipated iPad support.

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When it comes to social networks, there is one to suit every occasion. MySpace has the music market covered while LinkedIn caters for the business side of things. The likes of Facebook have become more of an everyday social network, but the fact that there are so many to choose from does not mean that there isn’t room for another network, particularly if it fills a niche; this is precisely what LocalHero aims to do.

Rather than being a social network that simply enables you to keep in touch with your friends, family and colleagues, LocalHero has been designed to make it easier for people that need help to get in touch with people that can offer help. Working much like other social networks, LocalHero enables you to build up a list of friends and you can share details about your skills so people that need help can see what you might be useful for.

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It was  only last week the iPhone version of Facebook was updated; the Android app followed suit this week. The Android app is not quite as fully featured as the iOS version, but the update brings a number of important improvements that bring it in line with the features of the Facebook website.

The big news here is the mirroring of the privacy controls that can be found on the Facebook website. When making a post, it is now possible to choose its visibility and choose whether location data should be attached to it. The same options are available when tagging images and sharing content online.

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Today, around the globe, people are, sadly, commemorating the 10th anniversary of the September 11, 2001 terrorist attacks. In posting my remembrance, I got to thinking how much has changed technologically and how much circumstances could have been different that day if the resources we take for granted now were available then.

Advanced communications technology of the day was the cell phone, which people trapped in the Twin Towers used to reach family and friends. The cell phone helped warn passengers of United Airlines 93 about the other hijackings. The heroes of that flight sacrificed their lives to save many others. That couldn't have been possible without the cell phone. But what if the people living in 2001 could have used social services widely available today to warn others or offer dramatic, first-hand accounts, photos and videos of events as they unfolded. The historical record -- and tribute to the lives lost that tragic day -- would be much different.

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"Sometimes you want to go
Where everybody knows your name, and they're always glad you came
You wanna be where you can see, our troubles are all the same
You wanna be where everybody knows Your name"
-- Theme song from TV show "Cheers"

Google+ real names policy continues to generate controversy. Last month I strongly urged Google to resist calls for pseudonyms or to allow people to be anonymous. The policy of using real names is sensible and the best approach long term. But, clearly, not everyone agrees. So it's time for a poll and to ask for more reader reaction.

Argument repeatedly made against real names: Some people need to protect their identities. Perhaps they live in a country with oppressive regime, don't want to disclose gender choices or whistleblow on governments or their contractors, among other reasons. But I look at Betanews comments or other forums around the web, where trolls run wild. They hide behind anonymity and attack others. Their presence pollutes the discussion and makes forming real communities -- people who share common interest -- difficult, if not impossible.

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