The Guardian reports that the most up-to-the-minute rallying in the London riots took place not on Twitter or on Facebook, but on a more covert social network: BlackBerry Messenger or "BBM" as its commonly referred to. Patrick Spence, managing director at Research in Motion (RIM),told the Guardian the company had reached out to police to offer its aid, potentially turning over messages and helping track down rioters; AT&T Inc. suffered a setback as federal regulators stopped the informal clock for reviewing the company's $1.9 billion offer for some wireless licenses from Qualcomm Inc., because the deal raised similar issues to AT&T's proposed T-Mobile acquisition. So the FCC's is informally tying the two acquisitions together and going to review them simultaneously; Defcon 2011 ended this past Sun, and since then there's been a few quirky articles around the web, on the newfound friendship--if you will--between Federal agents and hackers. Defon is after all a national convention for hackers. In prior years federal agents have been hanging out at hacker gatherings to snoop or cloak and dagger, as some put it. This time they came with another purpose: to schmooze, impress and, perhaps ultimately, lure. According to Daron Hartvigsen, whos a special agent with the Air Force Office of Special Investigations. The United States Cyber Command, the Pentagon's Internet defense arm, "has a work force issue and has demand for folks with skills in the hacker community; Microsoft announced a contest toencourage security researchers to think about defensive security technology. Dubbed the Blue Hat contest, researchers would submit the "most effective ways to prevent the use of memory safety vulnerabilities.