Comcast explains how acquisitions left it with legacy data systems of mixed quality, and the challenge of finding where data lives and centralizing it.

In the cable industry, many larger companies grow through acquisitions, which means inheriting the data systems of the smaller companies they acquire. These legacy systems can vary significantly in quality, creating a range of challenges. Often, the acquired systems are outdated or improvised "under the desk" solutions, making integration difficult.
With operations spanning multiple business areas, understanding how, where, and when data is stored has been a complex process. The challenges we face include identifying where the data resides, how quickly we can centralize it, and developing a consistent set of business rules that everyone agrees on. Additionally, we need to establish how frequently we update the data and how to serve it back effectively to the marketers who need it most.
This journey of consolidating and managing disparate systems and data has been challenging, but it’s essential to streamline operations and provide marketers with the necessary insights to engage customers effectively.