Shhh! Can you hear a hiss? That"s the sound of naughty facts deflating the social networking balloon a tad. Whisper it, but numbers from web analytics outfit comScore have confirmed what the chatter in bars and cafes has been saying for months - people are, just, well, bored of social networks.
The average length of time users spend on all of the top three sites is on the slide. Bebo, MySpace and Facebook all took double-digit percentage hits in the last months of 2007. December could perhaps be forgiven as a seasonal blip when people see their real friends and family, but the trend was already south.