Methods and apparatus for estimating total unique audiences
US11232148B2 Patents
( 57 ) Methods and apparatus for determining a unique audience exposed to media while reducing memory resources of a computing device are disclosed herein . An example appa ratus includes means for logging a plurality of impressions based on impression requests from a plurality of client devices, the plurality of impressions corresponding to media accessed at the client devices ; means for obtaining counts , the obtaining means to : obtain a count of demographic impressions logged by a database proprietor , and obtain a count of registered users of the database proprietor exposed to the media
22 claims. 168,390 characters of text.