Re: 20 years from now .....
Nope. 4MS / 4 megasensors is 4,000,000 sensors. You're thinking of 4 mebisensors, which is a different unit entirely (4MiS).
The computer business glories in this nonsensical redefinition of standard (SI) unit prefixes, except when they don't. How many bits per second on a gigabit Ethernet?