The document discusses the implementation of an online customer self-service portal at Telefonica O2 Czech Republic. It aimed to improve the customer experience through a unified web portal for fixed and mobile services. This posed challenges around unifying diverse portals, product catalogues, and ensuring resilience. The new portal launched in 2008, consolidating ordering and allowing personalized shopping. It has since replaced 30 brick-and-mortar shops by driving a 50-100% increase in online orders.