Technology
This is the official technology community of Lemmy.ml for all news related to creation and use of technology, and to facilitate civil, meaningful discussion around it.
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iMessage is a rich communication layer backed by HTTPS and web sockets so think something like WhatsApp or Telegram; you can send 2 gig files, embed maps and other rich content, etc etc. SMS is well… SMS. So the blue versus green bubble is a dumb reductionist view but the practical impact is visible in say video messaging, where an iMessage can attach a 50mb 4K H.265 clip same as a real messaging app, whereas an MMS will be a 256k 3gpp potato.