Pls help to answer these questions with few recent and valid examples in details.

Application Case 3. A Better Data Plan: Well-Established TELCOs Leverage Data Warehousing and Analytics to Stay on Top in a Competitive Industry Mobile service providers Gi.e., Telecommunication service to plan pricing. In fact, veteran carriers face Companies, or TELCOs in short) that helped trigger many of the same challenges that up-and-coming the explosive growth of the industry in the mid- to carriers do: retaining customers, decreasing costs late-1990s have long reaped the benefits of being first fine-tuning pricing models, improving customer sat- to market. But to stay competitive, these companies isfaction, acquiring new customers, and understand- must continuously refine everything from customer ing the role of social media in customer loyalty (Continued)