By Jon Swartz
The changing face of major tech conferences came in the form of a live-streamed speech on my computer screen Tuesday morning.
In it, Microsoft Corp. US:MSFT Chief Executive Satya Nadella laid out his vision for “empowering every developer.” His 20-minute speech was followed by a series of live and prerecorded tutorials on coding, cloud computing, and other geeky topics from TV-like studios on the Microsoft campus, buttressed by slick graphics and pretaped videos, all day and night. And all of it was free, with easy access to 509 sessions and documentation. The two-day conference had the look and feel of content-on-demand a la Netflix Inc. US:NFLX