Nelix

TL:DR - This extension gives you the power to (1) prevent titles that you don't want them to show up anymore in your feed, (2) manage title lists, and (3) provides you with an alternative suggestion system to refresh your feed.

Motivation: Netflix is indeed working hard on matching your feed to your viewing preferences. BUT, there are few limits and caveats to this mechanism that pollutes your feed with many irrelevant titles. Those are -

1. Conflict of interests - As far as we observed, Netflix push titles you already watched deliberately. Why? It makes it looks as they have more to offer as if they wouldn't do so. Also if you watch titles more than once, they will need to produce or buy less content, right?
2. Netflix doesn't know everything - In some cases, Netflix Doesn't can't tell which titles you already watched. For example, if you watched a movie outside of Netflix, or you watched a series through your spouse's Netflix account. Those will keep showing up.
3. No real solution - You can say that hitting the "UnLike" button is a solution (it supposedly should hide the title in the future). BUT - it will mislead Netflix's mechanism to think that you don't like this title and it will not suggest you with similar titles, which might interest you.
4. Flat feed - except the built in "My List" feature. Netflix doesn't give you sufficient functionality to organize lists out of the box. We want to help with that.
5. You are locked to the Netflix suggestion system which is affected by your viewing history. Usually it works just fine but it can be annoying especially if your dear relative also uses your account and really loves cooking and knitting documentaries (and you don't, for example). It would be nice to get some refreshed suggestions that might surprise you.

So, we want to help with customizing your experience and to save you precious time when you scroll over the feed to find something you (and all the people with you) want to watch, without the need for external websites or apps.