The voice control space is in a state of frenzy, but once again Amazon has made the next move, while its competitors are still at the drawing board. If the company could have moved this nimbly in the smartphone space, the Fire Phone might have been a big hit, but that shows the difference of setting the rules in a new sector, and trying to muscle into an established one. Amazon has broadened its line of Echo smart speakers with the unveiling of the new-look Echo Spot and the more heavy-duty Echo Plus. The latest expansion comes in the same week that Google waged war on Amazon, pulling YouTube compatibility from Amazon’s Echo Show speaker, which could be interpreted as…