Luma's home WiFi boosting system goes up for sale, will hit Best Buy stores in July

 Been a long time coming, but Luma’s finally ready to start shipping units to eager early adopters of the hardware startup’s home WiFi system. The routers, which have been up for pre-order since last year, offer what the company calls “surround WiFi,” a mesh network that promises to get rid of wireless dead spots, while increasing speeds and security throughout the…