Tip Electronically
Payments go more and more digital. Now you can leave an electronical tip with the DipJar. This is a small device for in restaurants and hotels. Users insert their credit card, take it out and wait for the confirmation sound to indicate the transaction, which is always $ 1,=, was successful. Want to leave a bigger tip? You can insert your card as many times as you prefer.
Bron: Springwise
Website: DipJar