Google announced an online "tricks and treats" chat on Wednesday, October 22, at 9am PDT, noon EDT, and 4pm GMT, where you can ask questions to Googlers ranging from Matt Cutts in Mountain View to John Mueller in Zurich to Kaspar Szymanski in Dublin and many more.

Here's what you'll need:

• About an hour of free time
• A computer with audio capabilities that is connected to the Internet and has these additional specifications
• A URL for the chat, which you can only get when you register for the event

More info....