document.write('

');document.write('
Social media experts interviewed on NPR
Shel Holtz, Ford\'s Scotty Monty, Southwest\'s Brian Lusk, and others discussed how companies are using social media.

'); document.write('
Letterman: ‘Top 10 signs you’re spending too much time on Twitter’
The late-night funnyman lampooned the popular social network.

');