Try this basic mobile phone etiquette tip:
When talking to someone in person, don’t glance down at your mobile phone to see who’s trying to reach you.
Here’s how to be polite in email:
Things not to do when emailing: shout in all caps, use coloured fonts or clip-art emoticons, attach large files, forward an email unless appropriate.
When to send work texts vs. emails:
Work emails can be sent anytime, but business texts should be restricted to one hour before the start of the workday to two hours after it ends, according to The Modern Gentleman.