Facebook Embedding Tracking Data Inside Photos You Download

By Xah Lee. Date: . Last updated: .

facebook is embedding tracking data inside photos you download.

I noticed a structural abnormality when looking at a hex dump of an image file from an unknown origin only to discover it contained what I now understand is an IPTC special instruction. Shocking level of tracking.

facebook image tracking 2019-07-13 p3dqc
facebook image tracking twitter.com/oasace

more info https://stackoverflow.com/questions/31120222/iptc-metadata-automatically-added-to-uploaded-images-on-facebook

See also: Screenshot Tracking Watermark