Diigo - Web Highlighter and Sticky Notes, Online Bookmarking and Annotation, Personal Learning Network.
Diigo is a powerful research tool and a knowledge-sharing community

Head-To-Head: ACAP Versus Robots.txt For Controlling Search Engines
should publishers be allowed to block people commenting about their pages on other sites? Does that block places like Yelp from reviewing businesses, if they link to them? Is Digg a ratings service? This option is a minefield.

@wajiii I guess I could re-write the CSS file in PHP with a call that checks for the domain and dynamically builds the annotation :)

@wajiii very interesting. It appears that using the #font-face annotation is not good with multiple domains, at least in WordPressµ.

Will Google Sidewiki Shift Control of Online Comments?
Journalists and news outlets are accustomed to offering comments and criticisms about others, but they're not as used to being the subject of public comment themselves. In the online world, where technology can and does upend established relationships,...

Better Research Management, Web and PDF Annotator | WebNotes
WebNotes is an online productivity and collaboration tool spun out of MIT that is the first of its kind to combine the power of online annotation, organization and sharing tools into a single, easy to use offering. WebNotes is an essential tool for...

iCyte - Home
iCyte enables you to highlight and save text on any webpage, allowing you to recall the most relevant information. You can save sections of webpages or the whole thing.

Here's a fun little tool...it's called Screenr. It allows you to create video with audio annotation by capturing... http://bit.ly/32azD2