One time a few years ago, I bought some tobacco at a gas station. They took my ID and scanned the blurry code on the back side, I asked why, and can't remember the reasoning. I never went back.
At my local gun shop, I bought a gun and they did the same thing. They had my ID at checkout and scanned the blurry back side. I immediately wanted to know why, and they said to keep records for ME in case of theft, fire, etc. The most simple real answer I'm sure is for THEIR record keeping. Which could be done easy enough with the forms we all fill out for NICS. Anyways, it rubs me the wrong way. Anybody else have this happen? Computers never forget, are you comfortable with it?