Want to be expedited through the security line, regardless of your frequent flyer status? Clear is likely your new best friend. A biometric scan of iris, fingerprints and a photograph will put you in their system. They give you a card, and you now get to cut to the front of the security line. If you don’t like the service or feel it isn’t living up to the promises, you can get a pro-rated refund. Privacy concerns are understandable - but might be worth it. Operates out of major airports and they boast 90% renewal rate of 100,000 members. $28 First time fee, $100/year. Iris scans - the future’s coming.