"came of age in a post-iPhone world" "grew up in a post-iPhone world" "learned to communicate in a post-iPhone world" All of these were valid options for the

"came of age in a post-iPhone world" "grew up in a post-iPhone world" "learned to communicate in a post-iPhone world" All of these were valid options for the author, and all of them would support the "nearly all" part of the claim, yet the author used "born". If you don't mean shit, don't say shit.