PS4 trailer

[Laraul]

The maximum size that they'd have to support(which is the problem) is 40 characters per account X 30 different gearsets (It can go higher it's just how many I know I have) X 14 different equips per gear set X 100 different hot bar skills(10 hotbars available with 10 skills per) meaning that 1 character takes 1.68 GB just for that information(assuming each piece of that information is 1 byte and its probably more than that) and since 60mil+ chars have been created so far that means to store that data just right now you'd need a min of 100.8 TB of storage.

Oh and before someone jumps on me for saying it's only 100 TB SE could afford that easily each of those things are probably 100 bytes minimum meaning the actual size would be closer to 10 PB.

You are ignoring compression, and storage space is cheap. Bandwidth is the costliest.