Like Groupon, LinkedIn (LNKD) is spending its first post-IPO year acquiring a slew of startups....

|By:, SA News Editor

Like Groupon, LinkedIn (LNKD) is spending its first post-IPO year acquiring a slew of startups. Today, it's learned that LinkedIn is buying Rapportive, a developer of a browser plug-in that provides contextual information for Gmail text. In October, the company acquired contact management software firm Connected and search technology developer IndexTank.