Yep. They were up there before, maybe they'll come back. And when they do, I still won't understand how they work, and I still won't buy them. Compared to TIPS, explaining and understanding the blue lines in hockey is a piece of cake.
For anyone interested, here's a good explanation of the whys/hows of TIPS during deflationary periods.
For anyone interested, here's a good explanation of the whys/hows of TIPS during deflationary periods.