Spot on.
Years ago, I maintained a couple of desktops in a sort of 'job center' where people could submit electronic applications for various low-end, entry-level positions.
The most common issue - no email address. Second most common - has email, but has to take the bus to the library to check it.
Cheap smartphones have been a boon at that level. There's a whole segment of the population that was missing out on all the benefits of being connected until very recently.