Abstract: A waste receptacle includes a cinch tab and a cinch defined by the cinch tab. The cinch includes an opening configured to admit a liner portion of a waste liner. The cinch also includes a notch continuous with and extending away from the opening. At least a portion of the opening narrows in width in a direction extending away from the notch. The opening and the notch are configured to retain the liner portion to at least partially secure the waste liner to the waste receptacle.

Abstract: Systems and methods are described for evaluating and optimizing media content. A computer system for evaluating media content includes an input interface configured to receive a media content for evaluation by users in an online community, a media content presenter configured to present the media content to the users in the online community for evaluation, an informative signal monitor configured to gather informative signals relating to the media content from the users in the online community, a media content analyzer configured to evaluate the media content based on the informative signals from the users and generate an analysis result relating to the media content, and an incentive calculator configured to determine an incentive to one of the users in the online community based on the informative signals from the one of the users.

Abstract: A waste receptacle includes a cinch tab and a cinch defined by the cinch tab. The cinch includes an opening configured to admit a liner portion of a waste liner. The cinch also includes a notch continuous with and extending away from the opening. At least a portion of the opening narrows in width in a direction extending away from the notch. The opening and the notch are configured to retain the liner portion to at least partially secure the waste liner to the waste receptacle.

Abstract: Systems and methods are described for evaluating and optimizing media content. A computer system for evaluating media content includes an input interface configured to receive a media content for evaluation by users in an online community, a media content presenter configured to present the media content to the users in the online community for evaluation, an informative signal monitor configured to gather informative signals relating to the media content from the users in the online community, a media content analyzer configured to evaluate the media content based on the informative signals from the users and generate an analysis result relating to the media content, and an incentive calculator configured to determine an incentive to one of the users in the online community based on the informative signals from the one of the users.