Basically every modern "mobile-first" bank/stock brokerage app, etc. is built on that. With a lot of them there is still a human in the process giving you the i

Basically every modern "mobile-first" bank/stock brokerage app, etc. is built on that. With a lot of them there is still a human in the process giving you the instructions (usually from a call center), but it's gradually shifting to tech-only solutions.