What is the most important idea in this section of the passage?
Facial recognition should be used
D) along with typed passwords for the
best possible security.
The fact that devices will soon be able
to recognize brainwaves is interesting
but requires much more testing.
Typed passwords are already being
Dreplaced, and data like brainwaves
might replace them more in the future.
Although typed passwords are being
) replaced on some devices, many
people still prefer to use them.