Did you know you can just buy shoe polish? You don’t have to find a boot to lick it off.

That is not actually true.

The right to a jury trial is guaranteed to the accused by the constitution. You are empowered by that constitution. You owe a constitutional duty to the accused; not to the court, judge, or government.

The law is not limited to the acts of Congress and the States that the defendant is accused of violating. When the judge asks if you can follow the law, you are free to remember that the "Constitution is part of that law.* Where legislated law is in conflict with your constitutional responsibulity, your responsibility supersedes that legislation entirely.

You’re a couple layers off in the protocol stack, but yes. AFSK (Audio Frequency Shift Keying) is a method by which digital data can be encoded on a narrow audio stream. It’s basically an old-school dial-up modem.

You can create and/or interpret those audio streams on a smartphone or computer via a headphone jack to pump them to/from the radio.

Ham Radio has APRS, which could be considered a “text based social platform”.