Abstract: This disclosure describes systems, devices, and techniques related to generating audiences for media campaigns based on previous consumer behavior. In some examples, a query is received from at least one provider device. The query may indicate at least one characteristic of interactions between consumer accounts and items offered by an online marketplace. Audience identifiers can be retrieved from at least one database corresponding to the query. In some cases, the audience identifiers indicate a set of consumer accounts that have previously interacted with one or more items according to the characteristic(s) specified by the query. An indication of the audience identifiers can be output to the provider.

Abstract: An apparatus for use in analyzing the motion of a human subject including a platform upon which the subject stands. The platform may include force sensors arranged to measure forces exerted on the platform by the subject in three dimensions (along X, Y and Z axes) and a pressure sensitive mat arranged to collect pressure data relating to the position of each foot of the subject on the platform. The apparatus outputs the force and pressure data to a computer having software for determining information relating to the motion of the subject, such as torque and angular momentum around different axes, using both the force and pressure data. In a golfing scenario, the apparatus can be used to analyze the motion of a subject whilst making a golf swing.

Abstract: A machine is disclosed for finishing the surface of a cast concrete unit supported in a mold frame. Opposed vertical supports on opposite sides of the mold frame are movable on longitudinal tracks, and they support transverse support means which are vertically adjustable. Concrete finishing belts and vibratory means are supported on each transverse support means. The belts on different transverse support means are driven in opposite directions and the vibratory means are separately driven.