Amazons new $100 Echo is a disappointment for anyone who looking to upgrade from the original model. Sure, its nearly half the price, but its sound quality is also significantly worse. With that in mind, the $150 Echo Plus seems like a far better successor on paper. It features better speakers and a built-in smart home hub. Its still not a must-have upgrade — a testament to how much Amazon got right at the beginning — but it at least offers some improvements over its predecessor…….Read more