The digital revolution compels established companies to digitize their business processes, products, and services in order not to miss out on the digital economy. Ideally, the players already established in a market drive this development forward. However, this is fundamentally difficult, as it requires questioning the existing and (still) successful business model and, in the extreme case, even cannibalizing it. The basic dilemma for established companies is thus to balance the need for securing their existence in the present with preparing for a future-oriented direction. This book provides an answer to how especially established companies can tackle the challenges of digital transformation and successfully navigate the digital dilemma.