This document discusses big data applications in engineering. It begins with an introduction to big data and its 3 V's (volume, velocity, variety). It then discusses how big data is important for design engineering, providing Boeing as an example. Key reasons why big data is important include increasing innovation, improving customer satisfaction, and gaining competitive advantages. The document also covers how big data relates to cloud computing, ecommerce, and product lifecycle management. It concludes that big data is an important and growing area that can provide benefits across many industries including manufacturing.