We truly never know what's going to capture the internet's attention. For some, this is evident in the widely different challenges that can briefly take over social media.
One week may see people try to make a difference and clean up their community as seen with the #trashtag challenge, while another may feature people throwing cheese slices on their babies' heads.
Sometimes the trending pictures that go viral online don't seem special in any way at face value. The backstory or hidden meaning of a picture can make the difference.