TBT is an acronym for Throwback Thursday. It is a social media trend where users post their old or nostalgic pictures on social media platforms, especially Instagram. People love to get nostalgic about their childhood, old friends, pop culture, and so much more, and this hashtag fits right when sharing your old images or videos. #ThrowbackThursday took off in 2012 when Instagram users started a trend to share their old memories using the hashtag. For marketers and brands, this hashtag can make a powerful impression on the audience as it helps to maximise engagement. 

Example

While researching for #TBT or #ThrowbackThursday, we found millions of visuals on Instagram with this hashtag.