I think the true challenge will be to preserve actual journalism through this migration in news delivery. Most online news sources are really commentary sites, rather than original journalism.
However, there was a great point referenced here -
“In the two biggest stories of our recent time—the war in Iraq and our financial meltdown—investigative journalism did not fulfill its mission,” Huffington told me in an interview for the inaugural Guardian Media Talk USA podcast. “We all have a real stake in not only preserving what investigative journalism is but in making it better.”