1) Email requires the recipient to have a computer and internet connection. It also needs them to regularly check their email in order for the message to received quicker than normal mail
2) People who receive loads of email can get "information overload" where they get too many emails to look through all of them, so your email may be put to the bottom of the pile and ignored or deleted
2) People who receive loads of email can get "information overload" where they get too many emails to look through all of them, so your email may be put to the bottom of the pile and ignored or deleted