He said in 1998:
The growth of the Internet will slow drastically...By 2005 or so, it will become clear that the Internet's impact on the economy has been no greater than the fax machine's.
After sort of missing the mark with his 7-year projection on the value of the internet, he now takes to the New York Times to write a comment based on 30-year debt projections and the chart below.
What is great about the extreme absurdity of Krugman commentary is that I doubt there are even 5 years left before the goofiness of using this chart will reveal itself.
Filed for the record.