Timing matters. Later example - many things had to come together for the ipod to be a success as well as the iphone and for that matter the ipad. While there is no question that Jobs did much to mold this, there were many other factors such as the price of components and technology the products relied on. So you can't "mold" anything without the proper materials.

Much of what we have today wouldn't be possible w/o broadband. Instagram wouldn't exist unless digital camera technology was developed to the point it had. Facebook became immensely popular because of digital photos. Wouldn't happen if people had to scan photos to get them on Facebook.