NYT considers a pay wall.

That is according to the comments of Executive Editor Bill Keller as reported by the Huffington Post.

In an online question-and-answer exchange with readers this week, Keller said that although advertising generates the bulk of online revenue, "a lively, deadly serious discussion continues within The Times about ways to get consumers to pay for what we make."

adding that

Possibility include charging for full-access subscriptions, developing a micro-payment model in which readers pay a few pennies each time they click on a page and selling news to be distributed on reading devices, as the Times already does with Amazon.com Inc.'s Kindle.