We’ve talked about Google SideWiki and other methods for “Writing in the Internet’s Margins”, but what about some of the other web annotation services out there? This post talks about SideWiki, ...

Collaborative annotation of web pages is something many people are working on. The newest entrant in the field, Fleck, is launching tonight at the TechCrunch party in New York. The Fleck team hails ...

Some of us have written on web annotation here on ProfHacker (see Lee’s post last May and the comment thread). Whenever people have encouraged me to use Hypothes.is for web annotation, my first ...

Earlier this year, a group of climate scientists were outraged about a Wall Street Journal editorial. In an earlier era, they might have written a letter to the editor, or meekly submitted their ...

Annotation service now has a professional version for users who want to mark up PDFs along with normal Web pages. Josh Lowensohn joined CNET in 2006 and now covers Apple. Before that, Josh wrote about ...

I am not a big fan of Web annotation services that let people add their own virtual Sticky Notes or comments to Web pages for others to see. But Web annotation is back with the launch today of ...

There have been countless efforts to create a usable Web Annotation service. Diigo is one, Fleck is one (our own version) and there was the once popular Third Voice. Nobody seems to have found the ...

Martin Splitt in a Duda webinar explained a concept called Centerpiece Annotation that discusses how Google analyzes content on a web page. I won’t reproduce the question because it’s somewhat off ...

Twitter announced a series of new features at its Chirp conference in April, including Twitter Places and an advertising program called Promoted Tweets.But the one that has the most potential to ...