A San Rafael-based startup called Byte Foods has raised $5.5 million in seed funding to popularize its smart vending machines and delivery service stocking them with nutritious food and drinks from local vendors.The machines feature a menu display that users can scroll through for product info, and a card reader where they can swipe to pay for whatever they want. Customers can take anything they like out of the vending machine to examine it without risk of being billed erroneously if they put the items back. RFID tags are affixed to each item, and tell the machine automatically the items a customer carried away, and how much to charge their card. Read More.