No. 1 Free -- Facebook
No. 1 Free -- Facebook

Price: Free
Category: Social Networking

The social networking giant's dedicated mobile app was a long time coming. But once it arrived, with its ability to upload pictures and locations direction from the phone, it dominated.

Fortune Editors @FortuneMagazine - Last updated March 06 2012: 11:38 AM ET
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Most Admired Tech Companies

Which technology firms have the best reputations? These firms are the envy of their peers everywhere.