It looks like RIM's really sticking to this "you don't need an app for the web" mantra for its hotly anticipated PlayBook -- at least according to the latest crop of videos the company has outed. In what is no doubt an attempt to drum up some buzz before a swarm of other tablets descends on CES, the company has chosen to highlight its latest browser improvements to prove just how "real" the web is on the PlayBook. HTML5 video playback looks super smooth, as does Flash video in the desktop YouTube site. Impressively, the entire Facebook experien