Abstract: A system for managing video content using a channel manifest publisher.

Abstract: An online system dynamically determines time periods during which interaction data points are collected for application states being tested as part of an application state experiment. The online system collects interaction data points that occurred after a time when instructions were transmitted to apply the first application state and labels those with a state label corresponding to the first application state. When the online system detects that an interaction data minimum has been met, the online system transmits instructions to the client devices to present a user interface in accordance with a second application state. The online system applies a transition period between when the second set of instructions are transmitted and when the online system starts labeling interaction data points with a state label for the second application state. After the transition period, the online system labels interaction data points with state labels for the second application state.

Abstract: A method provides for tracking client playback events when playing an asset specified in a manifest for streaming adaptive bit rate (ABR) content. The method includes generating, with a manifest manipulator, a manifest that includes an asset URL inserted at a marker denoting a placement opportunity in a content manifest requested by a client. The manifest also includes callback URLs for tracking playback events to be returned by the client. The manifest manipulator sends the manifest to the client. At least one of the callback URLs is received by a tracking proxy associated with the manifest manipulator, indicating that the event has been performed by the client. In response, a tracking URL is obtained by the tracking proxy. The tracking URL is sent to at least one asset decision system participating in an asset decision process that resulted in providing the asset URL to the manifest manipulator.

Abstract: A method provides for tracking client playback events when playing an asset specified in a manifest for streaming adaptive bit rate (ABR) content. The method includes generating, with a manifest manipulator, a manifest that includes an asset URL inserted at a marker denoting a placement opportunity in a content manifest requested by a client. The manifest also includes callback URLs for tracking playback events to be returned by the client. The manifest manipulator sends the manifest to the client. At least one of the callback URLs is received by a tracking proxy associated with the manifest manipulator, indicating that the event has been performed by the client. In response, a tracking URL is obtained by the tracking proxy. The tracking URL is sent to at least one asset decision system participating in an asset decision process that resulted in providing the asset URL to the manifest manipulator.

Abstract: Systems and methods for providing driver training in a virtual reality environment are disclosed. According to some aspects, an appropriate virtual reality driving simulation may be determined based on one or more input parameters provided by a user. The virtual reality driving simulation may include: (i) an instructional lesson, to be rendered in virtual reality, for teaching driving-related rules and/or skills to a user, and (ii) a driving scenario, to be rendered in virtual reality, for the user to practice the driving-related rules and/or skills taught by the instructional lesson. While the virtual reality driving simulation is rendered, user performance data may be recorded. Based on an analysis of the user performance data, a driving competency score and/or user feedback may be determined.

Abstract: A method provides for tracking client playback events when playing an asset specified in a manifest for streaming adaptive bit rate (ABR) content. The method includes generating, with a manifest manipulator, a manifest that includes an asset URL inserted at a marker denoting a placement opportunity in a content manifest requested by a client. The manifest also includes callback URLs for tracking playback events to be returned by the client. The manifest manipulator sends the manifest to the client. At least one of the callback URLs is received by a tracking proxy associated with the manifest manipulator, indicating that the event has been performed by the client. In response, a tracking URL is obtained by the tracking proxy. The tracking URL is sent to at least one asset decision system participating in an asset decision process that resulted in providing the asset URL to the manifest manipulator.

Abstract: Systems and methods for providing driver training in a virtual reality environment are disclosed. According to some aspects, an appropriate virtual reality driving simulation may be determined based on one or more input parameters provided by a user. The virtual reality driving simulation may include: (i) an instructional lesson, to be rendered in virtual reality, for teaching driving-related rules and/or skills to a user, and (ii) a driving scenario, to be rendered in virtual reality, for the user to practice the driving-related rules and/or skills taught by the instructional lesson. While the virtual reality driving simulation is rendered, user performance data may be recorded. Based on an analysis of the user performance data, a driving competency score and/or user feedback may be determined.

Abstract: Systems and methods for providing driver training in a virtual reality environment are disclosed. According to some aspects, an appropriate virtual reality driving simulation may be determined based on one or more input parameters provided by a user. The virtual reality driving simulation may include: (i) an instructional lesson, to be rendered in virtual reality, for teaching driving-related rules and/or skills to a user, and (ii) a driving scenario, to be rendered in virtual reality, for the user to practice the driving-related rules and/or skills taught by the instructional lesson. While the virtual reality driving simulation is rendered, user performance data may be recorded. Based on an analysis of the user performance data, a driving competency score and/or user feedback may be determined.

Abstract: A method provides for tracking client playback events when playing an asset specified in a manifest for streaming adaptive bit rate (ABR) content. The method includes generating, with a manifest manipulator, a manifest that includes an asset URL inserted at a marker denoting a placement opportunity in a content manifest requested by a client. The manifest also includes callback URLs for tracking playback events to be returned by the client. The manifest manipulator sends the manifest to the client. At least one of the callback URLs is received by a tracking proxy associated with the manifest manipulator, indicating that the event has been performed by the client. In response, a tracking URL is obtained by the tracking proxy. The tracking URL is sent to at least one asset decision system participating in an asset decision process that resulted in providing the asset URL to the manifest manipulator.