We put in:

• Lutron lights (they're awesome). Can turn the whole house on/off from a single switch or app locally or from anywhere in the world.
• Ton of Nest and Nestcams.
• Sonos.
• USB chargers in the kitchen.
• Josh.ai for voice control and remote access.
• AquaLink pool heater (app access).
• TopBrewer iPad controlled coffee maker: