According to the Mobile Data Association (MDA), 2.1 billion text messages were sent in March 2004, a 25% rise on the total from the same month last year.
On average, around 69 million text messages are sent every day in the UK.
Older people are also catching the bug and using text in an increasing variety of ways.
Here I am not quit follow the mean of catching the bug. . .
What does bug here refer to?
Thx for you guys' in advance. . .[/u]