While others obsess over fingers, Fujitsu wants your palms instead. Going against the flow, it plans to employ palm-vein scanning on smartphones in the future. The company, who is one of its few, if not the only, commercial evangelists, believes the technology to be more secure and reliable than TV’s favorite metacarpal. Being a trendsetter, Apple ushered in an age of smartphones that use biometrics, particularly fingerprints, as an optional or secondary authentication factor.