tedster - 12:35 am on Oct 19, 2011 (gmt 0)

This is especially important when you’re using an unsecured Internet connection, such as a WiFi hotspot in an Internet cafe.

That seems to be the main issue - the same thing reported last year when encrypted search first showed up in a small way. There's more snooping going on around known wi-fi hot spots than many people are aware of.