Pinterest has emerged as a significant platform this past year, essentially ushering in a new mini-ecosystem a la Instagram. But one thing has been glaringly missing: analytics. Enter Pinalytics, a social media monitoring tool (still in closed beta) that helps users track and evaluate content and interactions on Pinterest. The tool doesn’t require an account to start playing around with it. The Google-like interface allows users to enter a subject or keyword. Then the analytics kick into full gear. Users have three search options: Pins, Boards and People. While there are other options for “Pinsights” out there