Yeah, I bet that's a difficult problem. It would be pretty cool to see how WA implemented this, unfortunately they don't say. I did get a good perspective of ho

Yeah, I bet that's a difficult problem. It would be pretty cool to see how WA implemented this, unfortunately they don't say. I did get a good perspective of how useful this kinda of service is and how much people are interested in it, whereas before I doubted it would be useful beyond my own curiosity.