It was a successful project by Google, which had been up and alive for past 4 years. A project called Google answers, which was started by Larry page and 4 others, which would accept questions and answer them. This was a user driven product (Some thing like wikipedia, where one can post info) and had been successful all these years.
 Google Answers provided a way for users to pose questions and set a price for how much the answer would be worth to them. Others from around the world could then answer the question, and receive payment, with Google taking 50 cents as a listing fee. 

     For unknown reasons, Google is not gonna take anymore questions, but yes one can browse through existing questions for past  4 years. Might be this is a part of their "Reconsidering our Goals" motto" or there are no more questions left.
       "The project started with a rough idea from Larry Page, and a small 4-person team turned it into reality in less than 4 months," Google developers Andrew Fikes and Lexi Baugher wrote on the company’s blog. "For two new grads, it was a crash course in building a scalable product, responding to customer requests, and discovering what questions are on people’s minds." 

     Google Answers was a great experiment which provided us with a lot of material for developing future products to serve our users. We’ll continue to look for new ways to improve the search experience and to connect people to the information they want," added Fikes and Baugher.

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