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Amazon’s recent deals with Apple in TV, music and device sales mark a turning point after a decade of frosty relations

The context for this involves shifting priorities at both firms, growing pressure on Apple’s iPhone business, and rivals in common — first and foremost Google, but also the likes of Netflix and Spotify

The uneasy alliance helps both companies consolidate their strengths in the platform competition over media and the connected home — but trouble already brews

Microsoft’s new Windows Phone 7 operating system is launching with a big bang: ten handsets, eighteen operators, and a massive marketing campaign

The OS itself is positioned firmly in between iPhone and Android in terms of ease-of-use and customisability; it is as fast as the best-in-class but no faster; and its interface is bold but will not be to everybody’s taste

A lack of apps, limited distribution, and expensive handsets will likely limit sales in the short term. Longer term, being late in the game with no truly compelling unique feature will make building a major position very challenging, but not impossible