BBC News | SCI/TECH | Turning into digital goldfish

If you are spending too much time on the internet and are concerned that it is affecting your concentration, you are not alone.
The addictive nature of web browsing can leave you with an attention span of nine seconds - the same as a goldfish.
"Our attention span gets affected by the way we do things," says Ted Selker, an expert in the online equivalent of body language at the Massachusetts Institute of Technology in the US.