Antonella’s post on the experience of the CGIAR at COP 15 documented how social media helps your communication efforts.
Key message: if you want your work to reach wider audiences, to get enriched by their contributions and to be as visible as possible- You can’t go wrong with social media; something the ICT-KM Program has been actively promoting for a while now. And there’s a battery of tools out there that can help you get the job done. But you need to use them in a smart way….

I guess a related question is: who will create such content? WIll the telecom be involved in the process? As software in cellphones is becoming more and more controlled and sometimes policed by the manufacturer (see the iPhone) one has to wonder how much freedom will be granted to an application that delivers "questionable content". In sum, while internet experienced from a desktop/laptop is essentially free (as in speech), I doubt the same could be said for a cellphone.

The Aid Watch request for reader submissions for Best and Worst of Aid was our experimental attempt to use informal social networks to collect and spread stories about good and bad aid projects. In retrospect, it was only a partial success: we got a lot of submissions that couldn’t be totally verified, and many that did not explain why their submission deserved to be the best or the worst, problems for us to think about for the next time we try to run a contest, even an informal one like this.

• Why We're Giving Away Our Reporting Recipe – ProPublica
  Pro Pubica decides we can't go it alone – offers the recipe for a particularly effective piece of journalism, asks other journalists to help them replicate the reporting elsewhere.