If you use Tumblr, you can encourage guests to contribute to your blog using either the "Ask" or "Submit" feature. The former allows users to send questions to your blog, and the latter lets guests ...

Whether you use the Tumblr blogging service as a portfolio to display your latest work or simply as a way to keep in touch with your business clients, showing your blog's archives can be quite useful.

Opinions expressed by Entrepreneur contributors are their own. In that sense, Tumblr is a bit like Facebook — but with a few advantages. For instance, Tumblr blogs can be accessed directly via the Web ...