As I've written before Columbia Heights Coffee located on 11th Street between Park and Monroe is one of my favorites. So I was wondering what are people's favorite places to work or study with free wifi? For those who say CH Coffee is too small, there is good news on the way. They have purchased the space next door and eventually will be expanding. When speaking with the proprietors they couldn't tell me exactly when the expansion will take place but my guess would be in a year or so. So what's your favorite?