Links shared from del.icio.us today:

If social media sites were superheroes [infographic] – Holy Kaw!
Over designed, but mildly interesting (like most infographics!)
(categories: socialnetworking infographics)

Can New York Rival Silicon Valley for Start-Ups? – Room for Debate – NYTimes.com
Interesting discussion particularly in light of recent events.
(categories: news newyork unitedstates business bidness)