Here's a brief comment from a New York Times article from August 9, 2007:
"WHEN Paul Biba, a lawyer in Bernardsville, N.J., finds himself stuck waiting, he likes to pull out his Nokia E61i cellphone and read one of the 20 or so books he usually stores on it.
The virtual bookshelf in his pocket currently has science fiction like “Falling Free” by Lois McMaster Bujold, all of the novels of Anthony Trollope and Charles Dickens, “Eminent Victorians” by Lytton Strachey and the September issue of The Magazine of Fantasy & Science Fiction.
“Once you get use to having books with you, you get use to reading in places where it never occurred to you. If I’m waiting in line at the supermarket counter, why not read one of my science fiction magazines?” he said. “Believe it or not, I’ll sit down in my chair at home, pull out my phone and read a book.”"So, whether you read ebooks on your laptop screen, desktop, Palm, Life Drive, iPod or iPhone, they are a convenient, trouble-free way to read wherever you are.
The full story is posted on their site (free registration required).