Peak HN!

Top 1st-level comment tree involves passionate, math-based analyses of several decades of economic adjustments. Redefinitions of inflation adjustments ad nauseum; a math geek's approach to social sciences - which is not the subject of the article at all.

2nd 1st-level comment is a response to the title alone: a current, good backpack brand, with really no relevance to the subject of the article at all.