[dang]

Looks like these were the first two HN threads:

Show HN: Codecademy.com, the easiest way to learn to code - https://news.ycombinator.com/item?id=2901156 - Aug 2011 (232 comments)

Codecademy Surges To 200,000 Users, 2.1 Million Lessons Completed In 72 Hours - https://news.ycombinator.com/item?id=2914854 - Aug 2011 (75 comments)

[zds]

that first one brings back memories! thanks for resurfacing these, @dang!

[grendelt]

You missed a great opp here, zds.

"dang, thanks for resurfacing these!"