Biometrics seems to be a guaranteed improvement in terms of enhancing security and increasing work speed, two of the biggest traits required for development. Hence, investing in this technology seems to be the forte of many private firms and government agencies especially the secret services like CIA of USA or R&AW of India.
Apart from these rising trends, numerous more developments that are pursued which might be part of future trends include the voice printing and heartbeat authentication. Institutions are using frequency estimations, neural networks and Gaussian mixture models to process and store voiceprints. This system focuses on the speaking aspect of the individual and therefore applicable in the fields of kidnapping, ransom demands and crank phone calls.