Britons are now sending more than one billion text messages per week according to the latest figures from the Mobile Data Association (MDA).
The figure is 25% higher than a year ago and is set to shatter forecasts for how many text messages have been sent to and from handsets this year.
That weekly total is the same as the number sent during the whole of 1999.
Some 4.825bn texts were sent in September 2007, equivalent to 4,000 every second.
"It has exceeded our forecasts quite significantly," said Mike Short, head of the MDA.
4000 ever single second... BBC News Report