The document discusses online segmentation strategies used by various websites. Facebook segments users based on language, age, family size, gender, income, education, interests, beliefs and community. Apple segments users by region, online store/products, education discounts, financing offers, and targets different demographics with specific products. Wikipedia is available for free in many languages and segments users seeking free and complete information on any topic. Mozilla segments users by language, age, education, occupation, browser personalization, and offers better features than Internet Explorer.