Abstract: A method includes configuring a physical environment with Bluetooth Low Energy (BLE) beacons where a transmit power of the BLE beacons is selected such that (a) wireless devices at particular physical zones within the physical environment receive Bluetooth signals from respective BLE beacons, and (b) physical zones corresponding to BLE beacons are separated by non-BLE-zones. A method includes determining that a wireless device is not located within any physical zones corresponding to BLE beacons, and in response, (a) identifying a last physical zone in which the wireless device was located, (b) determining a trajectory of the wireless device subsequent to detection in the last physical zone, and (c) estimating the location of the wireless device based on the last physical zone in which the wireless device was detected and the trajectory of the wireless device since the detection in the last physical zone.

Abstract: A method includes configuring a physical environment with Bluetooth Low Energy (BLE) beacons where a transmit power of the BLE beacons is selected such that (a) wireless devices at particular physical zones within the physical environment receive Bluetooth signals from respective BLE beacons, and (b) physical zones corresponding to BLE beacons are separated by non-BLE-zones. A method includes determining that a wireless device is not located within any physical zones corresponding to BLE beacons, and in response, (a) identifying a last physical zone in which the wireless device was located, (b) determining a trajectory of the wireless device subsequent to detection in the last physical zone, and (c) estimating the location of the wireless device based on the last physical zone in which the wireless device was detected and the trajectory of the wireless device since the detection in the last physical zone.

Abstract: A system and method for facilitating use of electronic cards to represent and access computing objects via a mobile device. The example method includes graphically representing a first computing object via one or more electronic cards positioned in a first stack of electronic cards; providing a first user option to spread the stack of electronic cards, yielding spread cards; providing a second user option to select an electronic card from among the spread cards to trigger display of detailed data associated with the card; and providing a third user option to approve or reject an approval item associated with the card in response to user selection of the second user option. In a more specific embodiment, various card stack attributes, such as quantity of cards, type, and so on, may be illustrated graphically, such as via variations in stack depth, color coding, and so on.