Markets in everything roundup

1. Random number generators

2. Do you need a pre-arranged ring on your cell phone?

3. A vasectomy for an iPhone?

4. Matt writes in:

There are companies that register domain names for you,  companies that register domains and then sell them to you, and now companies that come up with unregistered domain names that you can register: http://www.inventmydomain.com and http://www.pickydomains.com.