While not specific to email subject line creation, an article on Copyblogger offers its research-based conclusions on the five most persuasive words in the English language: You, Free, Because,
Instantly, and New. The article warns that the words are not a get out of jail free card, however, and must be used within the right context to be effective.
Read the full article at copyblogger.
Read the whole story at Copyblogger »