The increasing ability that marketers now have to link consumers' psychographic factors with their demographic, geographic, and behavioral characteristics has been made possible by which of these developments?

Question $26$ options:

A$)$

Mobile and online tracking technologies

B$)$

The performance improvements of $4$G and $5$G mobile networks

C$)$

The consolidation of social media platforms

D$)$

Looser regulations regarding digital privacy

E$)$

A better understanding of consumer psychology