is at a Scotland Yard, waiting for a briefing on the riots and looting to begin. If there was any sign that a peaceful protest would escalate, it wasn't to be found on Facebook. Twitter was slightly more indicative: tweets about an attempt to target Sunday's Hackney Carnival were spotted by police and the event was abruptly cancelled. However, the most powerful and up-to-the-minute rallying appears to have taken place on a more covert social network: BlackBerry Messenger (BBM). Using BlackBerry handsets -- the smartphone of choice for the majority (37%) of British teens, according to last week's Ofcom study -- BBM allows users to send one-to-many messages to their network of contacts, who are connected by "BBM PINs". And unlike Twitter or Facebook, many BBM messages are untraceable by the authorities (which is why, in large part, BBM is so favoured by Emirati teens to spread illicit gossip about officialdom). 1.15pm: Meanwhile, the IPPC has responded to suggestions that it hasn't had enough contact with Mark Duggan's family since he was killed on Thursday. The language is rather critical of the Met and how it has behaved. The IPCC also says it expects to have the results of the bullet tests within 24 hours. In the statement, the IPCC commissioner who is overseeing the independent investigation into Mark Duggan's death, Rachel Cerfontyne, said: I am aware of various media reports suggesting that we have not had adequate contact with Mr Duggan's family since his death. Following my meeting with