Clear has already seen success in the travel sector with its biometric authentication being used to streamline check-ins and security screening. Now, the company wants to expand into other industries, such as health and social media. It is still growing in travel, however. Pittsburgh International Airport is deploying Clear infrastructure. The airport is getting a $600,000 upfront payment from and a 10 percent revenue share from Alclear, maker of Clear, over a five-year contract. Clear is designed to enable enrolled travelers to bypass manual identification checks and instead walk directly to the front of the Transportation Security Administration screening line, the airport says. Membership in Clear costs about $16 per month, and confers priority screening….