Instagram seems to block ads designed to expose personal information details

Messaging app Signal created an Instagram ad campaign that would have specified the personal information used to target it.
The details of the initiative are published in a Signal blog. It looks like the independent messaging company, which positions itself as more secure and private than Facebook-owned WhatsApp, wanted to run an ad campaign on social media site Instagram, which is also owned by Facebook. The ads themselves would have displayed the information used to target each individual reci