Does "We value your privacy" sound familiar? like every other website embedded the same lie over night?
@maximilianhils tells the story (w/ measurements) of how a handful of firms started collecting consent for thousands of sites
How did it happen?
Gradually, then suddenly as privacy laws came into effect
but things are changing fast so we need longitudinal measurements, not snapshots! *bangs methods drum*
opting out imposes real costs on users:
"opting out causes an additional 279 HTTP(S) requests to 25 domains, which amounts to an additional 1.2 MB / 5.8 MB of data transfer (compressed/uncompressed)"