The question asks us to identify a specific video-sharing website based on its founding date and the background of its creators. The key pieces of information provided are that the website was created in February 2005 by three former employees of the company PayPal.
Let's look at the key details about the founding of each option:
Based on the historical facts, YouTube perfectly matches the description provided in the question. It was established in February 2005 by the three ex-PayPal employees, making it the correct answer.
Therefore, the video-sharing website created by three former PayPal employees in February 2005 is YouTube.