The superpowers of the web are constantly coming up with new formats for online content. Over the past year we have seen Air from Adobe and Silverlight - the touted “Flash-killer” - from Microsoft.

In addition, widgets, mashups, RSS feeds, AJAX, podcasts, wikis and more continue to gain ground. We gave come a long way from the plain text and spinning GIFs of the 1990s. Adopt or not?