Amazon is going after the voguish mesh WiFi market, acquiring start-up eero in a rapidly consolidating environment. Eero burst onto the scene some four years ago to flattering reviews, when the idea of nodes connecting to other nodes through a mesh configuration – rather than connecting back to the home gateway – was beginning to gain serious traction. The product set-up is relatively simple. Eero offers multiple access points, meshing together to blanket a home in WiFi and thereby eliminating dead zones. It says set-up takes less than 10 minutes using the eero app, which receives instructions and updates from the cloud and the system’s big claim is that it can self-fix and self-improve continuously. This last point signals to…