Do we really need biometric security for our gadgets? Apple seems to have an idea of how to implement it to its iPhone and MacBook. According to the concept patent here the biometric tool will be hidden within the touchscreen of the iPhone or the trackpad of the laptop. The sensor will detect fingerprints, vein patterns or the shape of the year. Therefore the process is totally invisible and it also should be totally secure. Other features might include face recognition and even DNA recognition.