Email marketing remains one of the most substantial drivers of ROI and plays a vital role in any marketing strategy. According to an Adobe study, email is a complementary activity for many daily...

I’m not one of those people who has thousands of notifications for unread emails on their phone. Even if I’m not going to actually read my emails, I make sure to mark them as read or delete them...

Google does it. So does Amazon. Even the BBC does it. And there is no reason everyone shouldn’t be doing it.

It is A/B testing, and it’s an effective and unbiased means of understanding your...