Donate to Fight for the Future is a grassroots way to register your views. And they take modest donations to help with their work.

There are tweets out there with information, such as

Catherine
@ohhnevermind
21h21 hours ago
THIS is what happens if #NetNeutality is cancelled. We will lose the internet - Please spread the message and tweet at @realDonaldTrump https://twitter.com/rokhanna/status/923701871092441088

Google it. Look at Facebook and Twitter. Or ignore the issue and stream your NetFlix - until you have to pay extra to do any of those things, anyway.