Korner offers an alarm system for your home or apartment that is simple to install in several minutes and you can monitor through your smartphone — all for less than $100. Korner’s offering comprises of a Stick that plugs into a user’s router and communicates wirelessly with Tags (with a reusable adhesive) that are applied to doors and windows. The Tags include a patent-pending technology that leverages a novel combination of off-the-shelf sensors, allowing a small form factor (triangle with long edge a littl