I have read that as we age its very beneficial for our brain to continue to learn new things. Are you over 40 years? Then let your heart (er, brain) rejoice because today there is NO dearth of new things to learn!
I've recently tackled Instagram. Wow, it does so much for much for my iphone photos! The first two images of buildings at the Ephrata Cloister are regular and for the second two I used Instagram filters.