Thanks to Gary Hayes for sharing his adventures as he has explored over 50 virtual worlds as part of a commercial report that he is writing. He has recorded over 40 worlds in the clip below, which he says he has shared publically  because it:

demonstrates how ubiquitous, popular and streamlined many of these spaces are becoming across the intraweb / ‘cloud’

His post about it is here: 2008 Metaverse Tour Video: The Social Virtual World’s A Stage and the original clip on YouTube is here:  2008 Metaverse Video Tour – the social virtual world’s a stage .