Stuff like that is misleading. There is FAR FAR more to the monetary control debate than "zomg the dollar is worth only a fraction of what it was!!!" Charts like that designed to get an emotional reaction out of people that don't think. Without even getting into details, just consider for a second that in 1900 people worked for pennies an hour. So, yes, the dollar was worth more, but that's only a tiny part of the story. You can't just look at relative value of a dollar and ignore all other factors.
I understand that it is a complex issue and that wages were lower in the 1900s than they are now, but the decline in the purchasing power of the dollar still means something. I want to learn more about the complex issues and discuss them with people. I'm willing to discuss them with you if you are interested.