LinkedIn snaps up Bay Area sales tech startup LinkedIn on Tuesday said it has acquired sales tech startup Heighten to add new features to Sales Navigator. Redwood City-based Heighten had raised a little more than $7 million in funding that was disclosed in an SEC filing in September 2015. Doug Camplejohn, head of sales products at LinkedIn, said Heighten's technology will help in three key areas: Sales process tracking, pipeline reporting and note taking. (San Francisco Business Times)