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, ...

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 ...

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 ...

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 ...

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 ...

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 ...

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 ...

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 ...

In 2014, while still recovering from a very public spat with Google over SEO marketing techniques that resulted in a brief suspension from Google’s search results and an 80 percent drop in traffic to ...

Climate Feedback, a scientist-led effort to “peer review” the world’s climate journalism, is closing in on its $30,000 crowdfunding target. A successful conclusion to the campaign would bolster one of ...