How Backpack Made Me Like Gmail More, by Nate Burgos I guess we're on a little bit of a 37signals kick over here at the Geek Girls Guide. Last week, our pal Julie outlined how she and her husband use Basecamp to manage their home remodeling. This week, our newfound friend Nate Burgos of Design Feast shares how 37Signals' Backpack has helped him keep his inbox cleaner by streamlining his writing an