Google does some interesting things but they lack clarity of vision resulting in spending ridiculous amounts of money on projects that either never reach fruition or are repealed when Google fails to capitalize on the market.
Maybe... I believe there are a few potential applications for wearables:Extending the battery life of associated devices by offloading certain services (e.g. motion tracking)Multi-factor authentication for a mobile payment solutionPerformance monitoring (diet, exercise, sleep)Home Health (e.g. blood-glucose monitoring)