While logging out and logging back in to test the process for this article, I somehow managed to lock myself out of my account!

FORBES: TreasuryDirect Changes Security Features: Easier Account Access?

Six years ago, radiologist Michael Zalis found himself spending a lot of time logging in and out of separate electronic health records at Massachusetts General Hospital to gather lab data, clinical notes, and other non-imaging information scattered in multiple databases.

FORBES: Making Electronic Health Records More Efficient

They come from numerous sources: from players logging in through their console (Xbox, Wii, etc) to play the game, using apps on their phone to look at their teams and make trades, and logging in through the Web to check out the options market.

FORBES: Playing The Gamers: How EA's 'FIFA 13' Hopes To Track -- And Change -- Users' Behavior

AIDS. There was also a lot of dangerous curiosity, as players who were offline when the plague began started logging on only in order to find out what was happening, and thus risked the deaths of their characters.

ECONOMIST: Epidemiology

People can check out what their Facebook likes say about them by visiting YouAreWhatYouLike.com and logging in with their Facebook profile.

CNN: Heather Kelly,