Today in Tech: Instagram hits 27 million users, Android version coming by JP Mangalindan @FortuneMagazine March 12, 2012, 9:19 AM EST E-mail Tweet Facebook Google Plus Linkedin Share icons Fortune’s curated selection of tech stories from the weekend. Sign up to get the round-up delivered to you each and every day. * Instagram reported that it now has 27 million registered users.“It’s Facebook-level engagement that we’re seeing,” co-founder Kevin Systrom said at South by Southwest over the weekend. Also, the long-awaited Android version is coming very soon. According to Systrom, it will be better in some ways than the current iPhone version. (Mashable) Investor and entrepreneur Peter Thiel. Photo: The Thiel Foundation. * Mega investor Peter Thiel is going back to Stanford University, his alma mater, to teach. This spring, Thiel will teach a course named “Computer Science 183: Startup.” (Reuters) * Why ex- Google executive Adam Bosworth’s startup, Keas, has the potential to make people healthier. (Really.) (Fortune) * The competition has shifted from companies competing with Facebook to companies competing on it. (The Wall Street Journal) * Small video games have another problem to deal with besides getting noticed: having their ideas shamelessly cloned. (The New York Times) Don’t miss the latest tech news. Sign up now to get Today in Tech emailed every morning.