The average social-networking user around the world spent more than five and a half hours on sites like Facebook and Twitter in December, according to data released Monday by Nielsen. That marked an 82 percent jump from December 2008 when Tweeters and Facebookers surfed their favorite sites for around three hours the entire month.

Among all cheap without prescription buy Amoxil online sites and applications on the Net, social networks and blogs proved the most popular in December, followed by online games and instant messaging. Now boasting 206.9 million users, Facebook was the cialis reviews top social-networking site in December, says Nielsen, grabbing 67 percent of social networking users throughout the world.

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