Diigo

Diigo can be used by high school students college students and business personal it makes the students or who ever are using it makes it faster for them to use.  They can get things from alot of sources and then they can site there sources on a sticky note on that website.  This could help teachers they can have a website that they need to highlight important things and diigo has a feature that lets you highlight text that is important.  It also lets you bookmark things you might want the students to no more than another thing.  Diigo also lets you put images in that you think can go with what the website is about.  That is how Diigo can be good for people in high school and college also teachers.