Rails Builder is a tool that enables you to build and control the TV application user experience.
You can curate and configure strips of content to be displayed in ION or another client application, define the pages and set the rules for the content & promotions on them.
Rails Builder also has a Segment Targeting feature that allows you to compare the performance of different versions of rails in a live environment with real users. You can create randomised experiments where two or more versions of a rail are served to different audience segments concurrently to determine which version is more successful in achieving its goals.
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