> The plain email—which took no time to design or code—was opened by more recipients... That's interesting. I wonder how this would have any effect on opening

> The plain email—which took no time to design or code—was opened by more recipients... That's interesting. I wonder how this would have any effect on opening an email. In my mail clients on mobile and desktop, I cannot tell if an email is styled or not just by looking at the list of messages in my inbox. I have to actually open it to see if it's styled.