This post is heavy on the details of Tumblr. If you've never looked in to creating your own site, this is a great place to start. The author shares everything from how to enable non-member comments to how to increase your chances of going viral. Plus, there's an option at the bottom of the page to sign up and get a marketer's guide to Tumblr
This post shares both the advantages and disadvantages of Tumblr. Not everyone or every business is suited to a Tumblr account and this post provides guidelines for making the decision.
3. Practical eCommerce
Need a quick hit of why Tumblr is the way to go? This post shares the top five reasons marketers should be on the fastest growing social networking site.
4. Media Bistro
Galley Cat offers up their Tumblr tips just for writers
5. YA Highway
Still not sure. The always informative folks over at YA Highway provide a list of YA authors with Tumblr sites. Be sure to check them out and get a feel for what other authors are doing.
Not a YA writer? Never fear, The Millions has put together several lists of sites including authors, readers, and literary themed Tumblr blogs.
So there's my roundup. Do you have a Tumblr site? Share you link in the comments or share you own tips for how authors can be using the site to find and cultivate our readers.