#IfIDieInASchoolShooting is a hashtag used to raise awareness about school shootings and gun violence, particularly as they affect minors.

A hashtag used to share motivational photos, quotes, or inspiration on Mondays. Often used for sharing fitness and health related content.

Short for #ThrowbackThursday, a hashtag for sharing old photos, videos, or stories on Thursdays.

Everyday racism or #everydayracism is a term used by people of color, specifically black folks to share their experiences as the target of casual, prevalent racism in their everyday lives, specifically in the United States.

A hashtag used for expressing gratitude or appreciation, or acknowledging good luck or favorable circumstances.

#WhyIJoinedTwitter is a  hashtag  used to explain why people joined Twitter.

#AddATwistToAMovie is hashtag used to suggest creative twists and alternate endings to popular movies.

#WednesdayWisdom is popular hashtag used to share advice and other wisdom on Wednesdays.

#ImproveAnythingIn3Words is a tweet prompt to suggest three words that would improve something.

#TakeItBack is a hashtag by supporters of the Democratic Party urging voters to elect Democrats to Congress in the 2018 midterm elections.