Abstract: Methods and apparatus to detect user attentiveness to handheld computing devices are disclosed. An example method includes detecting a change of a handheld computing device from a first starting spatial condition to a first ending spatial condition; and querying an index associating a plurality of spatial condition changes with respective likelihoods indicative of user attentiveness to determine if the index includes an entry having the first starting spatial condition and the first ending spatial condition of the detected change.

Abstract: Methods, systems, and apparatus, including computer programs encoded on a computer storage medium, for inferring a demographic composition of a television audience of a television program. In one aspect, a method extrapolates television audience demographics from rated programs to unrated programs by attributing demographics of rated programs to unrated programs when the rated and unrated program are related by demographically rated channel tunes.

Abstract: The present invention contemplates providing an experience platform within a CDN, as well as sentio or experience codecs, and experience agents for supporting the experience platform. The experience platform may be provided by a service provider to enable an experience provider to compose and direct a participant experience. The service provider monetizes the experience by charging the experience provider and/or the participants for services. Alternatively, the experience platform may be provided by the CDN, either as an integrated component of the CDN, or a supplemental complimentary aspect. The participant experience can involve one or more experience participants. The experience provider can create an experience with a variety of dimensions and features. As will be appreciated, the following description provides one paradigm for understanding the multi-dimensional experience available to the participants.