When you complete your profile or account information for a social networking site, they ask for personal information such as your date of birth, address, phone number and even your hometown or place of birth.

FORBES: The New Ways Thieves Are Stealing Your Identity

Information that we need operational access to, such as your e-mail address, IP address, folder structure, file ownership and payment credentials, are stored and processed unencrypted.

FORBES: Obvious Infringement: MEGA Now Has A Crowdsourced Index And Guess What?

While the process varies by state, if there's a match you'll typically need to enter personal information, such as your Social Security number and current address.

WSJ: Search for Unclaimed Money

The games are a combination of simple one-question quizzes, sharing information like your ZIP code or e-mail address, and social actions such as Tweeting or following the organization on Twitter, Liking something on Facebook, or posting something directly to your timeline.

CNN: Turning global activism into a game

Posterous was founded a year after Tumblr and introduced several innovations that were quickly copied by Tumblr, such as the ability to update your blog by sending an e-mail message to a special address.

BBC: Best blogging tools for travellers