Markup

Markup can help express your thoughts on a webpage,

make a point about it or share the thoughts / ideas with others.

There is nothing to downloadand install,  just drag the GetMarkup

icon into the bookmarks bar. Whenever you want to make notes on

a webpage,  click the bookmarklet to load the markup toolbar.

Publish when you are ready to share.

Features

Draw on any webpage 
Stays in your browser,
Make shapes with the magic marker 
Write with the text tool 
Publish to share your ideas. 

Markup at http://markup.io. 

Help file at http://markup.io/help