Affiliate marketing is a performance-based marketing strategy where individuals or companies (affiliates) promote products or services and earn a commission for each successful referral or sale. Affiliates use unique tracking links to promote products across various online channels.

Key points:

• Commissions are typically based on sales, clicks, or specific actions
• Popular in e-commerce, software, and digital product industries
• Requires minimal upfront investment for affiliates
• Success often depends on trust between the affiliate and their audience