My aunt started a family tradition a few years ago. I’m not sure how those actually start- someone does something one year or event, everyone had fun, everyone remembered how fun it was when the time comes next to get together, and so we do it again.
It’s been about 4 years going- my aunt will buy silly string for the family get-together. It is normally Easter, 4th of July, or October. We all go out to front yard and for 2 minutes- go crazy. I opted to stay on the front porch this year and take a video.
I took this on my iPhone and pretty easily uploaded to Flickr. I think it was about 100 MBs for 1 minute.