Who are the four main social bank contenders on the westcoast?

Question $6$ ?options:

$1)$ ?

Instagram, Pintrest, Facebook, Snapchat.

$2)$ ?

Facebook, Microsoft, Google, Amazon.

$3)$ ?

Mircrosoft, Instagram, Google, Apple.

$4)$ ?

Facebook, Apple, Google, Amazon.

$5)$ ?

None of the Above.