The topic is because I don't know what else to call it.
But it seems useful.
Highlight text and save as a link with the text or whatever highlighted.
Then you have a link with highlighted areas to send or post to get to the point.
Instead of having to read large blogs or sites.
It has a Firefox addon also.http://www.awesomehighlighter.com/
It was on freedownloadaday today.