WebNotes, a research tool developed by, and for, serious researchers, allows anyone to highlight and add sticky notes to web pages and have those notes instantly added to a web-based research file.

Web Stickies Mod is a new iGoogle gadget that lets you paste virtual sticky notes on your homepage. Just click Add to create a new note, then drag it anywhere on your page (including the gadget itself ...

To comment on a printed document, you might write your feedback on a sticky note and attach it to the page. Your comment doesn't change the document's contents, but ...