The webpage is a blog post by Marco Arment in which he debates Fred Wilson's argument for developing on Android first due to the predicted dominance of Android in the mobile phone operating system market. Arment disagrees, arguing that market share isn't the only important factor and highlighting issues such as severe fragmentation, poor payment integration, and lower usage among influential individuals that might hinder Android's dominance.
RT @marcoarment: I disagree with Fred Wilson on Android’s importance: