https://manuelmoreale.com/why-i-love-emails
To me, emails are one of the best forms of communications in the digital age. And that’s because they:
are private
are intimate
are deliberate
are asynchronous.
在這個社群媒體和即時通訊軟體當道的年代，email 是內向者的情書。（當然，工作和廣告信件除外）