YouTube has been working on looking more like Amazon Channels for the past 18 months, with a few tricks up its sleeve. This is more than a scrap between Big Tech. Ramifications will ripple far and wide as streaming heavyweights evolve – striking through the hearts of pay TV operators betting big on so-called super aggregation strategies. The Google-owned platform plans to launch a channel store stroke marketplace where users can subscribe to multiple streaming services via a single app, according to the Wall Street Journal. It would signal an expansion of aggregation capabilities from the YouTube TV app, which already caters for third-party streaming add-ons, to the main YouTube app. This will raise questions about the future of YouTube…