Honestly SearXNG and Brave search are fairly good. I don't think I've ever had to switch to google or some bing clone to search the internet for a very long time
Damn, these are some pretty great news. I block third party cookies by default on uBlock Origin anyway, but sometimes you have no choice but to enable them for the website to function. I'm glad Mozilla is implementing this.
As far as I know, open file formats have become the standard for basically all industries and types of files. However, some of them, like the Microsoft Office Formats, are still proprietary. I have seen Open Office documents and Ogg being recommended for Office documents and audio files, respectively, but I'm somewhat confused about other types of formats like video.