The most important answers about the new Philips Hue Wall Switch Module - Hueblog.com
How to Install a Hue Dimmer Switch Over an Existing Light Switch
You Don't Have to Ditch the Switch When You Switch to Smart Lights | Wirecutter
Philips Hue on Twitter: "You get two ways to set a light scene with the redesigned Hue dimmer switch: use the on/off button to set a scene or the new Hue button