I propose to highlight the channels in a separate tab and slightly modify:

Screen 1 - List
The channel list looks the same as before, but it is separated from personal correspondence. Channels is a platform for publishers and bloggers who need more space to give great value.
Screen 2 - Feed
Now the list of channels of each of us passes for ten, and the flow of information is increasing more and more. I want to be able to go into a single tape and see everything that has accumulated for reading.
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Screen 3 - Discover
The tape recommended messages from channels that you do not have. The history of recommended messages does not disappear, you can always rewind and find the right one. Scroll, read, see, learn about new channels, subscribe.
PS Goodbye Facebook and all other news feeds and recommendations!?