Fitbit’s smartwatch struggles are real and not just in hardware

Fitbit’s smartwatch woes go beyond GPS and waterproofing: the company is also facing challenges building out the third-party app experience on its upcoming smartwatch, two people familiar with the company’s plans have said.Yesterday Yahoo Finance reported that Fitbit’s not-yet-announced smartwatch wouldn’t ship until this fall, and that it will look similar to Blaze, the company’s current fitness watch. The report also said that Fitbit plans to ship Bluetooth headph