Its latest product, the Busy Bar , is a desktop productivity display designed to help users stay focused, signal their availability, and automate parts of their workflow. After being teased last year, the device is finally going on sale on July 14. While the concept is genuinely clever, its starting price of up to $249 may make many buyers think twice. At first glance, the Busy Bar resembles a retro digital desk clock. On the front is a 72×16 LED matrix display capable of showing 16...