Apple has released a new video showcasing the many applications that fingerprint sensors can help authenticate.In the ad, users are show authenticating bank apps, padlocks and even car doors using the firm's Touch ID sensor on the iPhone 6s.It also highlights that the sensor can be used to open passcode protected apps, check into flights, sign documents and make purchases with Apple Pay.Last week, Apple revealed that it was launching Apple Pay in Singapore – in the same week rival Samsung Pay said it was starting up in the country.