How can you check someone else's email?

Any person can check any other person's email if they have that person's user name and password, allowing for a quick sign-in. It is unethical to check someone's email without permission but, with permission, it is a simple process using a smartphone, tablet or computer.

Email services like Gmail are keyed to users. Entering a user name and the attendant password brings up a unique account.

1. Enter information
Enter the user name and password. Once those are entered the account should open.
2. Check email
Next, email can be checked and sorted. Messages can be saved, deleted and answered.
3. Switch accounts
Users can move between accounts by logging out and re-entering new information.