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 Skitch app offers a simple layout to add comments to photos, maps, or just simple drawings.
Apparently YouTube's annotation technology needed a helping hand: Google acquired start-up Omnisio for similar technology.
This universal iOS app lets you draw arrows and rectangles to mark up screenshots on your iPhone or iPad.
Sony's 13.3-inch pad uses a Kindle-style screen, lets you scribble on your documents, and will go on sale in May for $1,100.
A newly won patent describes an augmented-reality system for mobile and other devices that can overlay information about objects the device is pointed at.
If you can print a document, you can save it as a PDF and use this feature to quickly annotate or add other enhancements to your print job.
This Chrome extension can now be used for more than capturing screenshots of Web pages.
London's Moones made creative use of YouTube annotations -- and 80 beers -- to create a music video that is at once brilliant, hilarious, and at times, painful.
At the annual Y Combinator startup school event, the Facebook CEO revealed that a tradition from the early days of his social network persists to this day, within the bounds of the law.