Final answer:
Sending an email is free, fast, and commonly used for communication.
Step-by-step explanation:
Sending a personal email versus a letter in the mail has several differences:
- It is free to send an email. Sending an email only requires an internet connection, whereas sending a letter through mail involves purchasing stamps and envelopes.
- It is faster to send an email. Emails are delivered instantly, while physical letters can take several days to reach their destination.
- Although not everyone has an email address, a significant majority of people do have one. It has become a common mode of communication in today's digital world.
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