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 ...

When Jason Jones wrote about Google SideWiki a few weeks ago, my first thought was “What about Reframe It?” Others (I heard) thought, “What about Diigo?” The following week, Brian Croxall posted ...

Yet another web annotation service is launching today. WebNotes is releasing virtual highlighting and sticky-note tools designed to help people track and annotate online content. The tools let users ...

In February the W3C approved recommendations to enable annotation on the web. There is a long lineage of annotation tools that enable readers of the web to write comments that overlay content and ...

Google on Wednesday launched Sidewiki, a Web annotation tool that serves as a comment forum for Web pages. Sidewiki ranks entries according to their relevance, as determined by Google’s own algorithm.

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 ...

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 ...

Is a street preacher the right metaphor for every little blog online? UPDATE: Since this story was published, both Genius and Hypothesis have moved to undermine abuse via web annotation using their ...