The Annotate Attachments in Gmail extension lets you annotate attachments right in Gmail and creates cloud-based files for easier collaboration.
This Chrome extension can now be used for more than capturing screenshots of Web pages.
Flickr co-founder Caterina Fake has released a new augmented-reality location-discovery app that works like a crowd-sourced version of Google's Field Trip (now available in Australia).
This universal iOS app lets you draw arrows and rectangles to mark up screenshots on your iPhone or iPad.
Create, annotate, and send screenshots without having to clutter up your desktop.
Skitch's quick-and-simple photo annotations are certainly a nice addition to the Evernote suite of products, but we still wish it had a few more tools in its belt.
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The startup, RapGenius, has developed a way to annotate with additional information everything from rap lyrics to poetry to news.
The Skitch app offers a simple layout to add comments to photos, maps, or just simple drawings.
The aptly named Awesome Screenshot is a convenient tool for capturing and annotating screenshots in Chrome.
High technology aside, the two great things about old-fashioned books are that they are cheap, and you can take notes in them. Can Apple's tablet offer both?