- jQuery UI
- Yahoo! User Interface Library (YUI)
Now honestly I don’t care about the bandwidth savings… my bill is the same if I did not use this but I do care about security and I am much more inclined to believe Google will have a up to date, secure version hosted then the one that wordpress installs (and I forgot to update).
From the official Google Ajax Libraries API site:
And here is a movie from their developers on youtube:
Good stuff Google!