The moving wave-wall carried Les about 5 meters upwards, to first-floor level, where he grabbed a post.

CNN: Survivor's tale: This is surreal

PHUKET, Thailand (CNN) -- What do you do when you see a huge wave-wall coming at you?

CNN: Survivor's tale: This is surreal

At least three major wireless protocols -- INSTEON, ZigBee and Z-Wave -- vie for adoption in wall switches for lighting.

ENGADGET: Switched On: The roads to home automation

From my travels over the years, I am convinced that a wave of bottom-up entrepreneurial activism is emerging across the globe, and what I saw painted on that railway wall in Mumbai is just one little facet of it.

FORBES: Connect