To Our Readers

When we began our 18-month series called Innovators, in which we're profiling 100 people with bold ideas, we felt a bit as if we were buying shares in them. Having called attention to these budding revolutionaries, we wanted them to prosper and to have an impact. Now, just past the halfway point in the series, we're happier than a lot of investors these days.

Where are they now? Rob Malda, founder of the news website Slashdot (profiled in September), has fostered hot Internet newcomers by giving away valuable code for free. David Neeleman's jetBlue airline (January) just celebrated...