An anonymous reader asks: "I went to my gym (Rocky River, OH branch) yesterday and there was a huge line of people at the counter. When I went to the scanner to swipe my membership card, I noticed they were training people in the use of their new security system that requires the input of your thumb print. There currently a story on boingboing that mentions a tanning salon in Arkansas that is enacting a similar policy. I'm going to call the gym later today and see what type of security they have on their network. I guess we can look forward to a future where these sorts of personal services clubs require the submission of biometric data. I was wondering how the members here at Slashdot feel about the security risks involved in submitting biometric data to small private companies?"