Among chief executives, Steve Jobs was an outlier. CEOs of public companies are generally hands-on, but Jobs was involved in practically every detail, from determining which industries Apple should invade to the material used for the iPhone's screen.
Jobs even got directly involved in customer service, which was a part of Apple's business for which he exercised a great deal of attention and patience. He fielded e-mails about broken laptops and intervened on support calls.
Jobs would not always grant customers' wishes, and he certainly did not buy into the adage that "the customer is always right."
For example, a customer complaining about Apple not honoring its warranty for his computer received the following response from Jobs in 2008: "This is what happens when your MacBook Pro sustains water damage. They are pro machines and they don't like water. It sounds like you're just looking for someone to get mad at other than yourself." 
I'm no Apple fan but I like the way Jobs worked. If only more CEOs were this hands-on & not detached from their end-users/consumers, I believe there'd be better businesses everywhere.
