
The fact that they use the phrase "Built Entirely For Tablet" means, as some have surmised, that you won't see Honeycomb on a smartphone. The video shows that Honeycomb has a revised UI, which carries over many of the changes from Gingerbread, meaning a more polished, professional, and darker look.
YouTube gets a major upgrade, and Google Talk includes built-in video calling. Everything looks smooth, and yes, tablet-optimized. Video embedded in the sidebar; take a look, and when is that first Honeycomb tablet coming? Motorola Xoom? Anyone?