LinkedIn Hackdays are an awesome opportunity for innovation — learn more about them here. But first check out this unusual entry by Hackday master Dhananjay Ragade, whose previous hacks include the LinkedIn Year in Review:
Don’t worry, it’s safe for work. Well, unless you work for Linden Lab. 
3 responses so far ↓
1 @siah // Jun 29, 2011 at 2:16 pm
Are these Hackdays open to public. I’d like to compete.
2 Daniel Tunkelang // Jun 29, 2011 at 5:07 pm
Actually there’s a public hackday coming up in July, so please do sign up and compete!
http://hackday2011.linkedin.com/
3 @siah // Jun 29, 2011 at 5:48 pm
I’m sold. See you on the 29th.