By Kirk Miller “Insteon is the most reliable and simplest way to turn your home into a smart home,” says the website for the connected-lighting company that just suddenly shut down, leaving many households in the dark (literally). Per Wired, Insteon quickly shut down last week without warning, meaning all of their products (light switches, wall keypads, dimmers, smart home sensors) could no longer connect with Insteon servers. In addition, the company — which launched in 2005 — paused both its user forums and wiped its leadership page from the web. As a result its estimated 1.3 million users w…