Unionized Apple store workers want you to start tipping them

• Workers at Apple's first unionized store in suburban Baltimore are pushing for a tipping system.
• The proposal calls for customers to tip in increments of 3%, 5%, or a custom amount.
• It's part of a series of new proposals from the union ahead of contract negotiations.

Employees at Apple's first unionized store in Towson, Maryland are pushing for a contract that includes the introduction of tipping.

The proposed system would allow customers to tip store workers in increments of 3%, 5%, or a customized amount for in-store credit card transactions.