Answer:
It can be sent at any time/It is faster than regular mail
Step-by-step explanation:
The world has move from mail to electronic mail. This helps in saving a lot of time as you are just a click away from sending anything to anyone, it has a feature of 'attachments' as well which can save a lot of paper and space.
The other most important benefit is that you can access your email and send anyone absolutely anything at anytime without nay delay, you just need a good internet connection for that, which I'm sure everyone has these days.
Apart from that, you can send a single email to several recipients as well at the same time.
I hope the benefits of email are clear to you now.