It has been almost exactly three years since Java EE 6 and GlassFish 3 were announced. It's worth pausing a moment to take stock of what has happened since. Both Java EE 6 and GlassFish 3 have been game changers. EE 6 has brought Java EE back in the limelight. To see evidence of that look at presentations like these from independents like Bert Ertman and Paul Bakker:
Likewise, the GlassFish community has proven to be a powerful disruptive force in the Java application server landscape. It's impact is evident from this percent growth rate chart from indeed.com of major Java application servers: