The hell? Who knew SkyMall sold USB rootkits? From the ad copy:
stealthbot.jpg "Easy To Use & Undetectable Total Computer Spying Tool Covertly Monitors Passwords, Chatting, Photos, Websites & More!

Insert In USB, And In 5 Seconds Data Nano iBots Monitor All Computer Activity On ALL USER ACCOUNTS w/o Tell-Tale Hardware Left Behind.

Covertly Record Everything A Person Does On A Computer. Remove Stealth iBot After 5 Seconds: No Hardware Left Behind. Undetectable By Most Anti-Spyware Applications. Store Up to 10,000 Screenshots & Virtually Unlimited Text. Total Surveillance - Record All Computer Activity - Even On Other User Accounts.

Stealthbot (skymall.com, via Quinn Norton)