Amazon AWS has taken a stake in an Israeli start-up, Wiliot, which makes wireless technology to track goods through the manufacturing process. Wiliot, which has bases in Israel, Germany and San Diego, USA, has closed a $30m Series B funding round, with other investors including Samsung Venture Investment and RFID maker Avery Dennison. The two-year-old company says its first product will be a battery-free Bluetooth sensor tag, which can be embedded into consumer goods or components during the production phase. These disposable tags will then allow real time tracking of the items throughout the manufacturing process, but other applications are envisaged, such as sticking disposable tags to clothes, enabling them to communicate with the washing machine and ensure the right…