TORONTO, Feb. 5, 2019 /PRNewswire/ -- Nudge Rewards, a mobile-first company that helps retailers with frontline employee performance and engagement, today announced that DAVIDsTEA Inc. (Nasdaq: DTEA), a retailer of specialty tea, is using Nudge's frontline employee performance solution to help retail associates deliver a world-class experience, while streamlining communication between head office and stores.