(I'm finding the combination of blogger, delicious, flickr and various bookmarklets to be incomparably easy to use. A half-dozen separate products, some corporate, some amateur, fitting together better than any integrated product of which I'm aware. What does that tell you?)
post-it note metaphor wiki
nothing to do with del.icio.us, but gonna be big: isight camera and mac becomes barcode reader and library system
WikalongExtension - Wikalong Firefox ExtensionWikalong is a FirefoxExtension that embeds a wiki in the SideBar of your browser, indexed off the url of your current page.