clipped from www.guardian.co.uk

From uncles wearing skinny jeans to mothers investing in ra-ra skirts and fathers nodding awkwardly along to the latest grime record, the older generation has long known that the surest way to kill a youth trend is to adopt it as its own. The cyberworld, it seems, is no exception.

The proliferation of parents and teachers trawling the pages of Facebook trying to poke old schoolfriends and lovers, and traversing the outer reaches of MySpace is causing an adolescent exodus from the social networking sites, according to research from the media regulator Ofcom.

The sites, once the virtual streetcorners, pubs and clubs for millions of 15- to 24-year-olds, have now been over-run by 25- to 34-year-olds whose presence is driving their younger peers away.