StraightUpSocial News Links for 6/23/2008

LinkedIn Companion + Firefox 3 = Good Web 2.0 Karma

LinkedIn releases an updated version of its popular Companion web browser extension for Firefox 3.

The phenomenal power of social media

Alexander van Elsas speculates on the possibility of using social media as both the tool and the inspiration to solve real world problems, such as hunger, energy needs, and waste management.

Obama, McCain Debate Via Twitter

Peter Kafka at Silicon Alley Insider shares the details of a semi-formal debate taking place between representatives of the presidential candidates via Twitter.