Tech evolves in many different ways, and although we tend to focus our attentions on the mobile industry, Philips has demonstrated that there is still room for interesting niche products with its Hue bulb collection. The beautiful, colorful glimmer emitted by the bulbs is glorious in itself, but by integrating with mobile devices for control of colors, dimness and other such settings, geeks far and wide have been sucked in by their glow. Philips may have been fairly unrivalled in this market hitherto, but the Lumen Bluetooth 4.0 LED bulb looks set to change all that. The company took its idea to the crowded world of tech start-ups, and is now set to hit a retail outlet near you. Details after the break.