Beddit - A new kind of sleep tracker (No wearable sensors)

Pingo - Optimize images for the web quickly 🖼️⚡

Withings Sleep - A sleep tracking mat by Withings

Presentii - Imagine a tool that lets you capture audience interest in your presentation content as you present.

Rise: Track Sleep & Circadian - Wake up & fall asleep better

Imakiku - Imakiku is an audience response system for real-time voting, posting comments, and surveying.