http://thenational.net/national-news/excessive-facebook-usage-linked-to-mentally-retarded-behavior/?utm_source=rss&utm_medium=rss&utm_campaign=excessive-facebook-usage-linked-to-mentally-retarded-behavior Tech Products for Smart People Fri, 18 Jan 2013 19:32:27 +0000 hourly 1 http://wordpress.org/?v=3.5.1