Text messaging and instant messaging are similar because they are both used to send text messages. However, text messaging ("texting") uses the cellular phone service, whereas instant messaging ...

Exchanging text messages in real time between two or more people logged into an instant messaging (IM) service. Unlike email, messages are sent immediately, whereas email can be queued up in a ...

SMS and RCS are communication protocols. While SMS relies on simplicity and ubiquity, RCS offers major feature upgrades in every other area. SMS is limited to short and plain texts, while RCS lets ...