The average human attention span was 12 seconds in 2000 and 8 seconds in 2013. A drop of 33%. The scary part is that the attention span of a goldfish was 9 seconds, almost 13% more than us humans. That's why it's getting tougher by the day to get people to turn the page. Maybe we writers ought to try writing for goldfish!
Of all the writers I have read, Vladimir Nabokov has made the biggest impression on me because he, despite living through the 1917 February Revolution, forced exile amidst the anti-Semitism in Nazi Germany, the two World Wars and quite a lot of controversy, was an author who never gave up.