joelaz:

Tumblr assigns a sequential number to each site on their service.  The lower the number, the older the site.  To find your number, login to Tumblr, go to the Following Page, then click on the name of your site in the top right corner of the screen just below the “log out” link.  Now, look at the URL in your browser address bar and note the number at the end of the URL.  Mine looks like this:

http://www.tumblr.com/tumblelog/18189

That means JoeLaz.com was the 18,189th site created on Tumblr.  A total of 442,648 sites have been created to date.

So, what’s your Tumblr number?

I am 112,160.  My brother who doesn’t keep up his blog is 868.   I’ll take this opportunity to talk up Napoleon for just a minute.  While I realize there is no guarantee of Tumblr’s success at this point, and it is still small compared to Wordpress or Typepad, there is a movement towards microblogging.  My brother finds these trends earlier than anyone I have ever encountered.  Twitter, Tumblr, Ruby on Rails, Flash, SMS, Genealogy, Fantasy Sports, Social Networks.  Not only did he introduce me to all of these things, he very concisely (and early on) explained to me the impact of these technologies and services.

I don’t know what that talent translates into.  It has helped him as an entrepreneur, and if I were a VC, I’d be calling him up for lunch.  If not offering him a job (which I have no idea if he’d be interested in).