In the new trending #trashtag challenge, people all around the world are picking up trash and then sharing the uplifting before and after photos on social media. What Are Viral Challenges? We’ve all taken part in our share of viral challenges, and it’s hard to imagine social media without them! Several popular platforms like Facebook, Instagram, Twitter, and Reddit have popularized these trending challenges designed to call attention to important causes. While some challenges are just for the fun (or dare) of it, other challenges can make a big difference to the world. Challenges like the #IceBucketChallenge helped raise over $220 million dollars for amyotrophic lateral sclerosis (ALS) research. Another challenge - the #InsideOutChallenge - (inspired by the movie of the same...