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 ...

If the faithful readers of this column had instant messaging, I could tell them right now to read this. Even though I’m guessing most of them are more electronically savvy than I am, good money ...