Great site to help create in-class material using Internet sources. You have control over what to include from the website and what to delete. It's great for eliminating ads, uncecessary pictures...irrelevant text etc... A formatting treasure.
Sooo much out there. It is really hard to keep focused, visit one little site and before you know it - there's another fabulous tool sucking hours of time!
A useful site for students & teachers. Lingro makes websites "clickable", so a user can click on a word s/he doesn't understand and the definition will pop up. There is no download required, making it safe and simple site to use.
At a loss as to what to do with Youtube? From Adobe AIR apps that let you download videos to Firefox extensions that protect you from RickRolls, here are over 100 tools to enhance your YouTube experience.