Why Facebook Works for All, Twitter for Some
On Facebook, if someone wants to tag another person — say their brother at dinner — they just start writing the name and Facebook figures out the rest using an algorithm that understands names. In comparison, on Twitter, people have to understand @ symbols, hashtags and other strange intricacies of the service. These features make Twitter a great tool for many, but not for all.
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Why Twitter attracts more technologically adept people than Facebook.
