Just got this in via email from DotSter.com:
Buy One Domain, Get One Free
With each new year comes new opportunities.
THIS WEEKEND ONLY, purchase any .COM, .NET, .ORG, .BIZ, .INFO or .US domain name at Dotster.com, and get a second domain free!* Just enter coupon code BOGODOMAIN at checkout.

And the fine print:
* LIMITED TIME OFFER. BOGODOMAIN [...]

It looks like Dotster has been named in a typo-squatting lawsuit filed by Neiman Marcus and Bergdorf Goodman.
The high end retail companies claim that dotster abused its status as an official icann registrar by mass registering names that are common typographical errors of federally registered trademarks.
Sample domain names referenced in the lawsuit include:
NeimuMarcus.com
playboibunny.com
oldnavyt.com
I’m not exactly [...]