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 ...

Hypothesis, maker of an open annotation tool that allows users to make public or private annotations on any web page, PDF or document, has incorporated as a public benefit corporation — a move that ...

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.

Add Yahoo as a preferred source to see more of our stories on Google. Help visualize the point you're trying to make. The web doesn't have to stay fixed and static. With the right tools, you can type ...

Hypothesis is a free, open access platform that stands out from many other annotation tools with broader functionality. In particular, it offers students the opportunity to work collectively to share ...

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 ...

No matter the tool, one thing is clear: more than a few people are hankering for a ubiquitous end-user commenting system for the web. Not group annotation of documents born in or uploaded to the web ...