My friend forwarded me some information about a homestay location via whatsapp. I did some Google search on that location.
And I’ve deactivated my Facebook account for almost a year already.
Almost immediately after I did the Google search on the location, my Instagram feed showed the said homestay location as an advertisement.
I’m pretty sure that they are not coincidence.
But the issue is, does anywhere in the Instagram/whatsapp ToS that grants facebook the right to use my whatsapp message for Instagram advertisement? How can Instagram know my Whatsapp/Google activities?