1. Impulse Buy /ɪmˈpʌls baɪ/ A sudden, unplanned decision to buy something, often triggered by emotions or clever product placement. Example: "The candy at the checkout counter is a classic impulse buy trap." 2. FOMO (Fear Of Missing Out) /ˈfoʊmoʊ/ The anxiety that others are enjoying rewards or opportunities that you’re not, often exploited in marketing. Example: "Limited-time offers create FOMO to push sales." 3. Anchoring Effect /ˈæŋkərɪŋ ɪˈfɛkt/ The tendency to rely too heavily on the first piece of information (e.g., an original price) when making decisions. Example: "Strikethrough prices (‘Was $100, Now $50!’) use the anchoring effect to make deals seem better."