[pavanlimo]

This is probably why use one-time-password via SMS is so rampant in many many services. This kind of auth has mostly eliminated large scale hacks, however OTP over SMS still won't help targeted hacking. But in general the public at large are rather safe primarily because of this.

Having said that, subscription based startups struggle due to the the compulsory use of OTP and therefore resort to yearly subscriptions rather than monthly (ex: Amazon Prime).