Meta only cares about ad revenue so could they be researching or have discovered a link between buying trends and links to a woman's cycle?
Are you joking? There's loads of trivial links. Most obviously: it's stopped (pregnancy, menopause) and therefore so too will stop purchases of certain 'female hygiene products'.
Are you joking? There's loads of trivial links. Most obviously: it's stopped (pregnancy, menopause) and therefore so too will stop purchases of certain 'female hygiene products'.