Look carefully, you can see Altimeter Group Logo, as well as a link in the text to the corporate website
This was only for those who physically attended Altimeter's Roundtable in San Mateo (about 20 folks) on May 5th, 2011 where Dups, the CEO was present.
It's currently non-transferable, meaning if you have it, you're one of the few. Someday, when their luxury items store goes live, it may appear in a second market.
Learn more here
or larger image here