linkedin-iphone-home.jpgToday LinkedIn released LinkedIn 3.0 for the iPhone, an upgrade Mashable is calling “really innovative.” There’s a new interface, improved search, and the ability to exchange (and connect with) anybody you meet who also has the LinkedIn app installed on their phone.

LinkedIn just redesigned their Web interface earlier this month.

Will these changes make you more likely to use LinkedIn? Or do you agree with the Mashable commenter who snarked: “More features for my least-used social network?”