Trying to learn proper technique in racketsports such as tennis and badminton can be tough. Having an aid like the strangely named Holy Pie Smart Racket, though, can help curb a newcomer’s mistakes or refine a more seasoned player. A microsensor in the handle tracks stats like hitting position and power. The product then connects with a PC or a smartphone to display 3D-models of your performance for your scrutiny. Whether the racket will also analyze that data to give you tips remains to be The raw data could be helpful, but it seems as though the product could benefit from some expert interpretation of the data. That would be particularly welcome considering the badminton version is expected at $240 and the tennis version is expected at $600. Those who know the flow and have cash to blow can improve their chances of bashing a birdie with units shipped in November 2014.