LinkedIn imported the technology powering the Intro feature from its acquisition last year of Rapportive, a startup that had already been mining online social networks to include personal information in correspondence sent to Gmail accounts.
Intro is part of LinkedIn's push to make its network indispensable on mobile devices as more people manage their personal and professional lives on smartphones and tablets.
LinkedIn says about 38 percent of the traffic to it networking services now comes through mobile devices, up from just 8 percent in early 2011. LinkedIn CEO Jeff Weiner predicted Wednesday that mobile devices would be reeling in more than half the service's traffic at some point next year.
As part of its effort to make its network more alluring on mobile, LinkedIn also released a new version of its service's app for the iPad.
LinkedIn's strategy has been paying off since the company went public nearly two-and-half years ago. The Mountain View, California-based company has consistently been delivering earnings that exceed analyst projections, helping to lift its stock by more than five-fold from its initial public offering price of $45.
The shares shed $3.60 to $241.35 in Wednesday afternoon trading, as the broader markets ticked down..