Snowden featured TED conference via telepresence robot . An TED deputy director appeared on video to counter Edward Snowden . Much of conference focused on the startling gains and ethical issues of technology . Ballroom dancer who lost leg in Russia bombing danced again .
TED conference featured Edward Snowden via telepresence robot . An NSA deputy director appeared on video to counter Snowden . Much of conference focused on the startling gains and ethical issues of technology . Ballroom dancer who lost leg in Boston bombing danced again .