Because no single company has ever failed at something this badly, for this long, with this many different products (and because it has barely been a month since the rollout of Google Chat), the time has come to outline the history of Google messaging. Prepare yourselves, dear readers, for a non-stop rollercoaster of new product launches, neglected established products, unexpected shut-downs, and legions of confused, frustrated, and exiled users.
If you don’t have the time for the whole thing, then at least read the table of contents.