https://alfheim-leader-credibility-decay-model.pages.dev/feeds/steve-ballmer.xml Steve Ballmer: resolved predictions 2017-10-15T00:00:00Z tag:alfheim-leader-credibility-decay-model.pages.dev,2017-10-15:steve-ballmer/2007-iphone-share Steve Ballmer: wrong on "There is no chance the iPhone will get any significant market share" 2017-10-15T00:00:00Z Prediction Track Record Wrong. There is no chance the iPhone will get any significant market share. Made 30 Apr 2007, resolved Oct 2017. The iPhone became one of the two dominant smartphone platforms; Microsoft stopped developing Windows Phone in 2017. Effect on Steve Ballmer's credibility: 50% → 33% (−16.7 pts).