Hacker News on 26 February 2011

• Why didn't the Romans have hot air balloons?
• Japan Airlines' CEO pays himself less than the pilots, takes the bus to work
• Free Kindle This November
• The Unofficial Guide to Migrating Off of Google App Engine
• Super Mario Brothers GameBoy (and all GameBoy games) ported to HTML5
• IPhone 4 films final Discovery launch from 30,000 feet up.
• Berkshire Hathaway Shareholder Letters 2010 [pdf]
• Crawl Bank Accounts with the Ghost of Wesabe
• Python: language moratorium is lifted
• Life Without Photoshop