These days, basic chat apps are common enough that they're close to core "phone" functionality -- even a few Nokia smartphones had WhatsApp support before they

These days, basic chat apps are common enough that they're close to core "phone" functionality -- even a few Nokia smartphones had WhatsApp support before they went the way of the dodo. And one would assume that that's not really that hard to do. After all, for SMS support you've got a very similar set of features already running on the phone. Maybe videos won't work that well, but that shouldn't degrade the basic support. In New Delhi, I'd also want my kids to have access to some car hailing app and maps. Heck, I'd want a stun gun integrated in the phone…