Which AI accelerator shall I pick for my next device?

Artificial Intelligence on edge is booming. We see more and more categories of devices getting some sort of intelligence these days. Before all of these devices hit the shelves, their designers need to make at least few not so easy choices. At the first glance, the question itself might not sound interesting from the end user perspective but it really impacts them significantly. It is a decision which gives or takes certain features from the end product.