Tumblr tried to sneak in data collection under the radar. After a few taps, you can get a list of who they're sharing data with.
The list takes 19 screenshots to see all the names on my phone.
NINETEEN.
@polychrome Only in the EU apparently.
@skiant Let's find out! 
@skiant the answer is YES. I can now select the "partners" on the web browser.
Also, the dark pattern doesn't exist in this one. Looks more like bad programming than intentional design, frankly.
@polychrome
Yeah I noticed that too.
@skiant hm.. what if I log in from a European IP?