Want everyone’s attention? Then listen to Lifehacker and take advantage of the fact that most email clients preview about 50-75 characters of a message in the inbox view by making your opening line sound like a tweet.
https://lifehacker.com/write-your-first-email-line-like-a-tweet-to-grab-intere-5592612
Now while it’s a rather clever approach, Lifehacker tip isn’t all you need to do: You need to have a clear subject line too. [Lifehacker]
