Web surfers in the US spent the equivalent of over 3,600 years, some 1.3 million days, on social networking sites like Facebook and MySpacein April alone, according to research.
And the amount of time people are spending on these sites is increasing at a phenomenal rate.
According to web traffic figures from Nielsen Online, the number of minutes spent on Facebook alone accountedfor 13.9 billion minutes of US citizens' time in April this year, compared with1.7 billion lastApril.
MySpace took up 31% less minutes in April this year than the same period last year, with users spending second 4.97billion minutes on it.
Blogger, Taggedand Twittercame third, fourth and fifth.
With so much time being spent on these sites, it is highly likely people are using them during work time. Companies must harness and control its use if they are to benefit from it.
According to a recent report by the Chartered Institute of Personnel and Development (CIPD), worries about misuse and employee bad behaviour are creating a "Facebook fear factor" which companies need to overcome if they are to gain the benefits of the new technology.