The blogging platform Tumblr uses Ask boxes in place of a messaging system. If you have the feature enabled, another Tumblr user can visit your Ask page, type a message in the box and send it to you.
On Tumblr, visitors to your blog can ask you questions and leave you messages. Tumblr's "Ask" button redirects the visitor to a page on your blog to submit questions. The page is your Tumblr URL ...
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