Intergalactic dust tracking pixel

Facebook intergalactic dust tracking pixel. (Poster courtesy Journal of Aberrant Cosmology.)

An intergalactic dust tracking pixel is a micro-transdimensional corporation used on web pages and email to unobtrusively (usually invisibly) allow checking that a user has accessed some content.

Principle

The technique exploits one or more vulnerabilities in causal relationships between intergalactic dust particles and users of various social media platforms, notably Facebook.