Apple As Oracle

After yesterday's Apple announcement of Siri, a very accurate voice command assistant, Andy Balo marvels at the ad above, which takes place in September of 2011:

In 1987, Apple released this concept video for Knowledge Navigator, a voice-based assistant combined with a touchscreen tablet computer. … So, 24 years ago, Apple predicted a complex natural-language voice assistant built into a touchscreen Apple device, and was less than a month off.