[mtviewdave]

Here's a discussion from last week about an article on the situation in the UK:

https://news.ycombinator.com/item?id=10158180

Here's a couple articles on the situation in Vancouver:

http://www.theglobeandmail.com/life/home-and-garden/real-est...

http://www.theglobeandmail.com/news/british-columbia/vancouv...

If you Google "Vancouver empty condos" you'll get an entire page of links.