Advertising definition - https://kendrabruns355257616.bloggersdelight.dk/2024/08/08/theres-a-proper-strategy-to-speak-about-online-advertising-strategies-and-theres-another-approach/. ORTEC Adscience
https://kendrabruns355257616.bloggersdelight.dk/2024/08/08/theres-a-proper-strategy-to-speak-about-online-advertising-strategies-and-theres-another-approach/