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I'm 32, and I plan on retiring early. I'm spending my days building money-printing machines -- primarily real estate and Internet properties. Hopefully they won't need me around too much to keep them oiled. I would like to second his investment advice; so far it's worked for me. My plan for early retirement aims to deal with many of the issues Philip raises is to buy a sailboatboat, big enough to take me, my companion, and the odd crewmember, hither and yon, primarily in the caribbean. The benefits in personal energy, adventure, travel, and an inexpensive home will be many-fold. I look forward to it.
I run an iOS software development company in Canada. I have a significant philosophical bent in favour of Android, but in my entire time consulting with clients and shipping finished work, the ratio of iOS to Android projects is 5:0. Your comment that, as an avid Android user for years, you have never once purchased an application, is more or less the entire reason why this platform is attractive to developers. Apple has successfully created an audience of people who expect to pay for content and features. Apple is paying its independent developers about $1B a year. Those "one critical extra features" you cite in favour of Android are not being shipped with an application ecosystem 1/10th the size.