Assertion: twitch | /r/CapableOf | announce in august
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text: In August 2017, Twitch announced it had acquired video indexing platform ClipMine.
text: On August 20, 2018, Twitch announced that it will no longer offer advertising-free access to the entire service to Amazon Prime subscribers, with this privilege requiring the separate "Twitch Turbo" subscription or an individual channel subscription.