Combine the fact that Tumblr lets you create as many blogs as you want and the fact that you can change a Tumblr blog’s URL at any time, and you get the practice of URL saving – creating new blogs simply to reserve URLs you like just in case you want to use them in the future. Switching your blog to one of your saved URLs is somewhat risky: if you aren’t quick enough and the URL is distinctive and desirable somebody else might take it. There is, however, a way to minimize this risk.
