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 ...

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 ...

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 ...

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 ...

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 ...

What do you do when you’re a small startup that releases a Web application, only to have something strikingly similar come along from a large, established vendor? That’s the position Reframe It found ...

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 ...