Twitter has been diligently working to curb harassment and abuse on its platform, but it turns out one pretty racist ad slipped through the cracks. The micro-blogging service has apparently been displaying a rather questionable promoted post, advertising a certain white supremacist website called The New Order, Gizmodo reports. The ad has since been purportedly removed from Twitter, but users were quick to grab a screenshot of the offensive post. .@twitter I can’t believe anything still surprises me, but why the fuck am I seeing nazi ads on this website pic.twitter.com/jtKKnn8XR5 — Ariana Lenarsky (@aardvarsk) November 16, 2016 The account responsible…

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