Twitter is the preferred channel for quick banter for over 175 million users around the world including our political leaders. Over half of the heads of states and governments of the G20 meeting in Seoul on November 11 and 12 have an official Twitter account (http://twitter.com/Davos/G20).

Some like @BarackObama have 5.5 million followers, while others such as the French Presidency only have 6,600. All other G20 leaders are somewhere in between and yes,

The saga continues. After informing us in September that the IAC-owned Bloglines was to be shut down permanently, Ask.com (the IAC property that operates Bloglines) has resurrected the troubled RSS feeder, the company tells TechCrunch exclusively. IAC has licensed the property to an unlikely new patron: