In the last year, social networking sites saw a 10% increase in usage, and a 16% bump in click-throughs. Overall though, email still accounts for 55% of referrals.
However, when it comes to click-throughs, social networking sites are far more effective, accounting for more than 60% of the market share.
Among social networking sites, Facebook is by far the most preferred service for sharing, making up more than 78% of usage.
Yet other sites are gaining: Twitter maintains 5% of referrals, and MySpace, surprisingly, comes in at second with 14.5% share.
Yet Twitter has become the most effective tool for click-throughs. Twitter yielded a whopping average of 19.04 clicks, whereas Facebook only produced 2.87 clicks.
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