Zuckerberg is the rising star who created -- or did he steal the idea? -- a little social networking site called Facebook, but his sneaky tactics to obtain personal info (changing privacy terms and conditions) and boost ad revenue (through the Beacon program that tracked users' activities on other sites and published them on Facebook) have exposed him as a bit of a Web 2.0 scoundrel. User protests and lawsuits will hopefully keep young Mark from following in the footsteps of other villains on this list.
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