MINYANVILLE ORIGINAL The telegraph. The stock ticker. The pneumatic tube. The wireless data system. Now that the building blocks are out of the way inventors and developers have the freedom to focus on the fun stuff -- technologies that aren’t exactly revolutionizing the stock market but are pretty nifty just the same. From the practical to the inspired to the downright frivolous here are a few products we’ve wagered will enhance the workday and lifestyle of a day trader. Tobii Gaze Welcome to the future of hands-free day trading. Open a private portfolio simply by looking at it. Zoom ...