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 ...

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 ...

Looking to help jump-start a new era in annotating Web text, leading venture capital firm Andreessen Horowitz today said that it's investing $15 million in RapGenius, a startup that enables such ...

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 ...

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 ...

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 ...

Would researchers scrawl notes, critiques and comments across online research papers if software made the annotation easy for them? Dan Whaley, founder of the non-profit organization Hypothes.is, ...