Inbox does use Closure. That blog post just talks about the data model using GWT to cross compile to many platforms. There's Closure in there and some other fra

Inbox does use Closure. That blog post just talks about the data model using GWT to cross compile to many platforms. There's Closure in there and some other frameworks too. Think of Closure like the JDK, it's robust and expansive, but not very opinionated and sometimes ugly. So you put frameworks on top that are sugary.