Why did Google+ fail, but Reddit succeeded? Why was it so easy for Duckduckgo to establish itself? Was was Brave able to take a bit from Chrome, even when Mic

Why did Google+ fail, but Reddit succeeded? Why was it so easy for Duckduckgo to establish itself? Was was Brave able to take a bit from Chrome, even when Microsoft Edge failed? Google faces strong competition. Even on its core revenue stream, advertising, Facebook was able to beat it.