Last week Microsoft (NASDAQ: MSFT) finally unveiled its long-awaited Windows Phone 8 operating system at a media event in San Francisco. Now the company must turn its attention to the developer community, which it must attract to the new platform if it wants to have compelling apps for its Windows Phone 8 devices. "This is a turning point. Windows Phone has arrived with this release," Larry Lieberman, senior product manager at Microsoft, told FierceDeveloper. Read more in this special report.