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Livescribe 4 GB Sky Wi-Fi Smartpen (APX-00011) - 0816108010311 for sale online | eBay
Livescribe's 8GB Echo Pro smartpen connects to Mac and Windows | Engadget
Amazon.com: Livescribe Echo 2 Smartpen, Black Digital Pen, Bluetooth, Wireless, iOS, Android, Mac, Windows : Everything Else