Just a VERY quick post to give you the links I’m talking about:
Thatsmymouse – Add chat to any webpage…
diigo – delicious on steroids
etherpad.com – collaborative writing…
tineye – reverse find pictures
imagestamper – Keep tabs on your CC pix!
instapaper – Quick and dirty bookmarking!
plagium – plaigiarism checker!
Ask questions via the comments!