Boulder-based Gnip, the social media archiving and collection firm headed by Jud Valeski, said todasy that it has added support for Google+. Google+ is the new social networking service run by Google. Gnip said that it is tapping a newly released Google+ API to allow users to search for keywords in the Google+ stream. Gnip already archives Twitter and Facebook data. Gnip is venture backed by The Foundry Group, SoftTech VC, and First Round Capital.