They may be using something like Sift for security checking and something of yours was flagged. Source: over 1 year ago

But sorry to break it to you, this has been done at a really large scale already although most consumers are not aware. One big player here is https://sift.com/ Almost every major retailer uses their service exactly for the reasons you mention. Source: almost 3 years ago

Reddit, for one. A pretty big list on their homepage. Source: almost 3 years ago

In this example, we will use the reduced MovieLens dataset streamed via Redpanda. Each JSON message will be structured like the one below:. - Source: dev.to / 12 months ago

Their rating & recommendation system is another top feature, in my opinion. The five-star rating system is superb. I think it was a major misstep when the streaming service switched over to the "thumbs up/down" system instead. Fortunately, the disc service retained the five-star system. I found the movie recommendation algorithm to be tremendously valuable. I don't think it would be too hard to build or even find... Source: 12 months ago

Https://movielens.org/ has an interesting concept and it has given me some recommendations that a traditional ratings site never would. Source: about 1 year ago

Have you heard of movielens? They're doing something similar. Source: about 1 year ago

Checkout movielens if you miss the old Netflix rating system. It uses the same 5 star system and algorithm. https://movielens.org/. Source: about 1 year ago