Start by calling (or visiting the area office of) your senator and congressman. If you are reasonably articulate, they engage and listen. Doesn't matter if the listener is not a techie; they will ask questions around policy and why it affects constituents.
This is 1000x more useful than online petitions or other passive stuff. Politicians know that one person to have taken the effort to do this, means 1000 others are feeling the same thing but are quiet.