The internet giants faced a Senate committee hearing that led so several heated exchanges between lawmakers and the executives.
"Grab some popcorn. This is going to be quite the show," one Twitter user wrote.
Google's Sundar Pichai joked that he "will drop everything" to fix the problem after users compared it with the Apple emoji.
"When the entire world is struggling to decide who's more insane, Kim Jong Un or you #SignsYoureABadPresident," one Twitter user wrote.
Executives for the social media company said they will verify political ad buyers in federal elections, requiring them to reveal correct names and locations.
The Kremlin-linked "troll farm", Internet Research Agency, bought ads on Facebook and ran popular Twitter accounts to post politically divisive stories and sow discord.
Twitter ripped into the letter saying the author's writing style and overuse of superlatives sounded rather familiar.
BusyIzzy123 posted a message on Reddit intimating how depressed and lonely they felt. The next morning, other users flooded the post with messages of support and drink invites.
Donald Trump triggered a wave of criticism last week after he told the widow of a fallen soldier that her husband "knew what he signed up for".
So far, several subreddits have been booted from the site including r/Nazi, r/EuropeanNationalism and r/pol.
The move follows similar steps by Facebook and the introduction of a bill that seeks to bring more transparency to online political advertisements.
"It's absolutely stunning that people let this monumental level of bullsh*t slide," Cougar Town actor Bob Clendenin tweeted.
One Twitter user wrote: "Someone needs his diaper changed, he's cranky."
"If Trump wears it, it will be invisible," one Twitter user wrote.
Twitter responded to Sanders' question with a slew of snarky, sarcasm-laden and creative answers speculating how they would spend the potential $4000.