Philips has been pushing color-changing lighting for years now, but with Philips hue the concept may finally have come of age. No longer amorphous lamp blobs, the hue bulbs screw easily into your existing light fittings and, on the face of it, do everything a regular bulb might. Reach for your phone or tablet, however, and you can soon be bathing in a near unlimited range of custom colors. So, the dawn of a new age of home automation, or just a dreary DIY disco? Read on for our full review.