It’s the middle of the workday, and Ok Go‘s guitarist, Andy Ross, and I are trying to figure out which word best represents the nexus of the words “Mars” and “Netflix” (hint: We both picked a movie starring Matt Damon). This little brain puzzle is par for the course on Ok Go’s new word game, Say the Same Thing. The app digitizes a game that anyone who’s taken an intro to improv course will be familiar with: Two or more participants say a word a…