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 mail ...

There are untold numbers of instant messaging networks (not even taking SMS into consideration)—with companies like Google having, all by themselves, created a half dozen competing applications and ...