If the plane crash and buried into the deep ocean. What is the chance satelit can help? Visual things maybe very limited help. Can the Blackbox signal transmit good signal from the bottom of the ocean? How deep? I think aviation world need to think to use better technology (communication and signaling) in the plane to improve plane safety. Current technology are old

Need a good browser. Good security, especially from malware. Must be easy to upgrade. And have a lot of good apps