There was an offer on adobe stock: if I uploaded at least 300 pictures that were approved I could use for one year a n adobe subscription software. Now I have way more the 300 approved in 2019, but I cannot find the link for the offer. This is the text of the offer:
If you have 300 or more video files approved in 2019 with at least a 50% approval ratio you will receive a code for a complimentary year of the Adobe Creative Cloud All Apps plan. We are appreciative of the amazing contributors at Adobe Stock.