In this day and age, with the internet a part of almost everyone's life, pretty much anyone can post a video.
Even seniors - who didn't even grow up with computers - are getting in on the act, with some becoming viral sensations.
For example, a couple of months ago, we did a post about the world's oldest gymnast - 86 years old and still doing the parallel bars.
It was a big hit, and proof that exercise and fitness isn't just for the young. Elderly folks can do some pretty amazing, inspirational and athletic stuff.
Many of them can put people half their age to shame.
In that spirit, we came across a video from the National Film Board of Canada. It's called 'Age Is No Barrier'.
It's about a group of seniors who meet twice a week at the University of Alberta to do gymnastics and other fitness programs.
And the cool thing is - it was made more than 20 years ago, in 1989.
Check it out at the top of the page. It opens with a 76-year-old woman named Lily, who's in her living room doing a headstand.
As well, there's a documentary playing in Toronto called 'Ping Pong'.
It's about the over-80 World Veterans Championship table-tennis tournament and was a hit earlier this year at Toronto's Hot Docs Festival.
It focuses on eight players - four men and four women - with a combined age of 703. Click here for showtimes.
And here's some other amazing seniors.
The Billie Jean Dancing Seniors
Dancing With The Seniors
93 Year Old Yoga Instructor