I didn't make it to 50, but here is my posting with 8 (6x Facebook + 2x Twitter) :

https://steemit.com/dmania/@greatlife/welcome-to-the-internet-choose-wisely-zg1hbmlh-tpodd

And here a second posting with 8x Facebook:

https://steemit.com/dmania/@greatlife/spotify-app-my-savior-zg1hbmlh-zoz08

Unfortunately, I've shared the memes on Steemit and not those on dMania. I'll do it right with my meme tomorrow.