Barack Obama's 2008 presidential campaign is often cited as an example of the effective use of social media. The campaign used social media platforms such as Facebook and Twitter to connect with voters and mobilize support.

Lyndon B. Johnson's 1964 presidential campaign is often cited as an example of the effective use of negative advertising. The campaign's "Daisy Girl" ad, which depicted a young girl picking petals off a flower while a nuclear bomb exploded in the background, is considered one of the most effective political ads of all time.

Ross Perot's 1992 presidential campaign is often cited as an example of the effective use of third-party advertising. Perot spent $63 million of his own money on advertising, which helped him to win 19% of the popular vote.

Barack Obama's 2008 presidential campaign is often cited as an example of the effective use of get-out-the-vote efforts. The campaign's "ground game" was credited with helping to turn out a record number of voters, which helped Obama to win the election.

Barack Obama's 2012 presidential campaign is often cited as an example of the effective use of data analytics. The campaign used data to target voters, identify swing states, and develop campaign messages.

Donald Trump's 2016 presidential campaign is often cited as an example of the effective use of microtargeting. The campaign used data to target specific groups of voters with tailored messages.

Donald Trump's 2016 presidential campaign is often cited as an example of the effective use of fake news. The campaign spread false and misleading information about Hillary Clinton and other opponents.

Donald Trump's 2016 presidential campaign is often cited as an example of the effective use of Russian interference. The Russian government interfered in the election in an effort to help Trump win.

Donald Trump's 2016 presidential campaign is often cited as an example of the effective use of voter suppression. The campaign engaged in a number of activities that made it more difficult for people to vote, such as purging voter rolls and closing polling places.

Donald Trump's 2016 presidential campaign is often cited as an example of the effective use of gerrymandering. The Republican Party engaged in gerrymandering in a number of states, which helped Trump to win the Electoral College.

Donald Trump's 2016 presidential campaign is often cited as an example of the effective use of the Electoral College. Trump won the Electoral College even though he lost the popular vote.

Donald Trump's 2016 presidential campaign is often cited as an example of the effective use of the Supreme Court. The Supreme Court ruled in favor of Trump in a number of cases, including the case that allowed him to travel to the United Kingdom during the campaign.

Donald Trump's 2016 presidential campaign is often cited as an example of the effective use of the media. Trump was able to use the media to his advantage, both by generating positive coverage and by attacking his opponents.

Donald Trump's 2016 presidential campaign is often cited as an example of the effective use of money. Trump spent more money on his campaign than any other candidate in history.

Bernie Sanders' 2016 presidential campaign is often cited as an example of the effective use of volunteers. Sanders' campaign was able to mobilize a large number of volunteers, who helped to spread his message and get out the vote.