Indonesia is mobile-phone mad. People who live in villages with no phone coverage and no electricity all have mobile phones “in case I go to town”. Motorbike taxis drivers, fishermen, primary school kids, trash-pickers — all have mobile phones. I regularly get e-mails from sex workers “sent from my Blackberry”. Indeed in the realm of smartphones, Blackberry is king, with 42% market share. In fact Blackberries are so popular that a couple of months ago a scrum for discounts on…