Original sentence: Chris Stephenson, Microsoft general manager for marketing, said, "we see a great opportunity to bring together technology and community to allow consumers to explore and discover music together.However, its Xbox division has gained some experience with the vertically-integrated strategy in which it controls everything end-to-end from the hardware to the online store.Microsoft normally follows a platform (cross-brand)strategy, as exemplified by the PlaysForSure system.Microsoft wanted to go beyond Apple's efforts and promote the tagline "the social" and Wi-Fi (wireless sharing) as key differentiators.The former is gaining in share and units sold, but the latter has enormous share and won’t give that up easily".With Apple dominating the audio market with its vertically-integrated iPod strategy, and PlaysForSure floundering, the Xbox division won permission to try the same approach, separately from PlaysForSure and PlayReady
Edited sentence: As an effort to promote the tagline "the social" and Wi-Fi (wireless sharing) as a key differentiator, as Chris Stephenson, Microsoft general manager for marketing, said, "we see a great opportunity to bring together technology and community to allow consumers to explore and discover music together.The former is gaining in share and units sold, but the latter has enormous share and won’t give that up easily"  with history showing that the company, after adopting the cross-brand strategy with its much-ballyhooed PlaysForSure ecosystem, reversed course to embrace a vertically-integrated strategy in which it controls everything end-to-end from the device to the store