Here is a pair of smart socks that helps you better track your runs. Sensoria Smart Socks & Anklet have 100% textile sensors to monitor your running form. They combine with your smartphone to let you see cadence, speed, pace, foot landing, and contact time on the ground. The electronic anklet magnetically attaches to the cuff of the sock.
The Sensoria Virtual Coach monitors your steps and gives you audio feedback. You can get a pair for under $200 at this time.