A survey by 160 Characters of British users of IM, SMS, e-mail etc reveals more or less what one would predict, but also shows that Instant Messaging is becoming more prevalent in business - with 73% using IM for business reasons. Last week I asked a group of Americans based in the US about IM, and all used it, including for communicating remotely with Chinese engineers. I suspect Japan is still resistant though. Also, I think there is an industry specific tendency, with electronic gadget/telcoms related people far more likely to use IM and mobile messaging/e-mail.