A concise and great TED talk about Haptics from Prof. Katherine Kuchenbecker using Haptuator 14mm:

The technology of touch.

• Industrial Haptuator: a strong vibration motor for 35-500 Hz, specially made for low frequencies. Available: February 2013
• Amplified Haptuator Block: accepting non-amplified inputs (from a computer or a smart phone) to vibrotactile output, no external amplifier needed. Available: January 2013
• Haptic Vest: a vest providing vibrotactile feedback with Bluetooth connectivity. Available for demonstration: April 2013