You know what makes us happy? Pizza. But a close second has to be 4G technology, which makes us truly envy the Bostonians who were treated to a sample of Verizon's trial LTE deployment in the friendly confines of a downtown pizza joint last month. Big Red filmed the event -- and while the whole thing comes off a little bit like a carefully-orchestrated PR stunt, it's hard to argue with nearly 10Mbps down and over 2Mbps on the upstream. That's good stuff that should have Sprint, Clearwire, and the rest of the players on notice -- assuming Verizon's network holds up under the crushing pressure of commercial availability once thousands of rowdy Harvard students start hamme