One of the eCommerce bloggers I follow just posted this rather lengthy roundup of the State Of Ecommerce.
Much like STM's "What's Working?" posts, he surveyed a load of ecommerce store owners to get a sense of the ecommerce space in 2017.
Interesting reading if you're already in that space, or are thinking of transitioning.
http://www.ecommercefuel.com/e-commerce-report-2017/