Ms. Zimmermann is the Agenda Manager for Key Initiatives around building the device portfolio of the future in Gartner. Her coverage includes global mobile device and wearables trends. Vendor analysis includes Apple, Microsoft, Samsung and others in the devices and wearables arena. Another of her research topics is the consumer location-based services (LBS) and indoor positioning market, where she monitors the uptake of different technologies, as well as LBS players' strategies and business models.