This document discusses neuromarketing and how it can inform e-commerce development. It covers topics like why people make purchasing decisions, models of consumer decision making, whether people are truly rational, and how the brain works emotionally and unconsciously. Key points about neuromarketing include how people respond more favorably to deals framed around pain/paying versus pleasure/gaining, the power of decoys, anchoring effects, focusing on one thing at a time, perceiving free options as more valuable, and following what others do through social validation.