Throwback Thursday has been a popular ongoing Internet trend and for good reasons. The nostalgia factor combined with the ability to bring old friends and family members together are enough to make #tbt a fun weekly event. However, if used correctly, the Throwback Thursday hashtag can also be a helpful tool for a modern business. All you have to do is remember the Throwback Thursday etiquette. #TBT Every business strives to be relevant, and nothing makes brands more relevant than participating in modern social media movements. Jumping into trends like Throwback Thursday shows a clear attention to popular culture. In addition, …