According to internet research firm comScore, Blogger had the largest number of unique visitors of all social-networking sites in September, but Facebook grew the fastest. Yahoo's Geocities and Yahoo! Groups are struggling, but its Flickr.com service grew almost 100% year-over-year. Blogger is gaining market share from Typepad (Six Apart) in the blog space, and Wordpress.com is now significantly larger than Typepad.
Commentary: Social Networking Sites : Facebook Grows, MySpace Slows • Looking To Invest In Social Media? • Cashing In On Social Networking
Stocks to watch: NWS, GOOG, YHOO, MSFT
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