David Letterman aired an informational video about the stimulus to explain the complicated package to his viewers. Conan O'Brien, on the other hand, was reflective of his time in late night saying:
"It's weird...when we went on the air in 1993 I had no way of knowing that 16 years later we'd have an African-American president. And Barack Obama had no way of knowing that an albino would be taking over the 'Tonight Show.'"
More from Jay Leno and Jimmy Kimmel below.
See yesterday's round-up here.