Please make a app that would hide StackExchange notifications, all sites and hot questions (only show inbox). I prefer using Tampermonkey (Chrome)

I create one Facebook API for Login propose in Facebook server. it's worked and also decide to Login via twitter, how can i do this, myself to completed some details, but i didn't understand that twitter API Steps. If any easy method to create a twitter API

Currently, in the /sites method, a site can have a site_state of: normal, open_beta, or linked_meta. This makes it easy to tell if a main site is in beta or not. But it becomes a 2 or 3 step process to determine if a meta site is in beta -- rather than a straight table read. For all meta sites...

When I use youtube I only want to watch videos that have been labeled as 'Education'. Please make a Chrome app that would block all the youtube videos that aren't labeled as 'Education'