Google Instant is making a huge splash. No longer do are Google searchers required to finish typing their query, and click "enter" or "search."

Instead, with every single keystroke, real-time, predictive "search suggestions" are paired with constantly refreshing and refining search results.

Google says that people read faster than they type, so Google Instant represents a big speed and convenience breakthrough.

Cynics note that Google engineers have cooked up a technology that serves many...