Jane Friedman has compiled a list of "Twitter Tips for Writers." Which will come in handy, no doubt, once I cave in and launch a Twitter account/feed of my own. (See also Robert Lee Brewer's Twitter Cheat Sheet for Writers.)
I may be behind the times insofar as Twitter is concerned, but after witnessing David Pogue present at a conference last week, I definitely know where to go to learn more about technology more broadly. For example, this video has taught me something about e-readers--while making me smile.
And speaking of e-readers, did you hear the news that The Atlantic has begun publishing stories exclusively on the Kindle? (For some good commentary on this, see Midge Raymond's post here.)