Even Ringling Bros. tweeted about the political circus known as the third and final presidential debate.
The debate in Las Vegas was moderated by Fox News' Chris Wallace.
Before the debate even began, the Ringling Bros. tweeted to Fox News to keep the circus out.
Trump campaign manager Kellyanne Conway tweeted she was hanging out with Obama's half brother Malik Obama before the debate.
The founder of Huffington Post Arianna Huffington tweeted about "bad hombres" being mentioned.
The Merriam-Webster dictionary tweeted the difference between "hombre" and "ombré."
When the 2nd Amendment was mentioned, the National Rifle Association of America tweeted that Clinton is lying.
Regarding Russia, the former U.S. Ambassador to Russia Michael McFaul tweeted that Trump knows nothing about nuclear policy.
When asked about the North Atlantic Free Trade Agreement (Nafta), Trump said "It is one of the worst deals ever." Former Mexican Ambassador to the United States Arturo Sarukhan tweeted charts to debunk Trump's statement.
The Libertarian presidental candidate Gary Johnson tweeted that Clinton did not do anything about immigration when she was in government.
GoogleTrends tweeted about "Bigly" being the top trending search on Google.
Moderator Chris Wallace received praise from National Diversity Coalition for Trump board member Wayne Dupree.
Conservative political commentator Glenn Beck said Trump does not know about partial birth abortion.
Independent presidential candidate Evan McMullin tweeted that Trump used to support "late-term abortions."
Actor Josh Gad tweeted about Saturday Night Live's upcoming show.
Comedian Chelsea Handler tweeted a poll after Trump mentioned "bad hombre" and "nasty woman."
Host of NPR's On Point Tom Ashbrook tweeted during the debate George H.W. Bush's handoff note to Bill Clinton from 1993. The Republican president wrote "Your success now is our country's success. I am rooting hard for you."
When Trump declined to "absolutely accept" the results of the election, Ronald Reagan's son Michael Reagan tweeted that anyone who does not accept the results of the election should not serve.
After the debate, Trump tweeted that he made all of his points.
Democratic Vice Presidential candidate Tim Kaine tweeted that he was proud to be Clinton's running mate.
Republican Vice Presidential candidate Mike Pence tweeted they will repeal and replace Obamacare.
There are 20 days left in the 2016 presidential elections.