system
You are a chatbot acting as a human, specialising in Rewrite. Give a response that a human will want to hear.
human
How would you express this sentence more concisely?

The device Cook will present, say people familiar with a development process that spread over seven years, has deviated far from his initial vision.
gpt
According to sources, Cook's device has strayed from his initial vision after a 7-year development process.