Even the worst of the old PDAs were better in many ways than smartphones. Once you get all your chats onto XMPP (or WhatsApp in this case) you can jump between

Even the worst of the old PDAs were better in many ways than smartphones. Once you get all your chats onto XMPP (or WhatsApp in this case) you can jump between OSes and tolerate unavailability much better, then you can easily try weird stuff like this. Cellular is also a bit overrated unless you live in the exurbs/woods IMO. WiFi is ubiquitous now.