The document discusses globalization in retailing. It notes that top retailers have significantly increased their market share globally from 2000 to 2009 due to declining cross-border barriers and saturation in local markets. Major retailers like Walmart and Carrefour have led the way in global expansion, utilizing different strategies like establishing a global brand or adapting products locally. However, globalization also faces challenges from differences in tastes, distribution channels, and value systems across cultures.