sexeducation

I was just fooling around at the US Patent search dbase ...

and searched "sex" in "all fields"

there are 23096 patents that matched the criteria ..
Patent number 6,813,619

this is the first link in the results page ..

"The present invention provides a method of and system for storing the personal information or profile of a user/customer on the remote instead of a digital television receiver/set top box. The information that is stored is personal information, such as name, address, etc., as well as commerce-related information, such as a credit card number. This information is then used to personalize the use of some electronic device and allow for faster, portable, more effective and more convenient e-commerce."

I think I'm going to patent "obvious gadgets" ...
roflmoa