You can add a plus (“+”) sign and any words/numbers of your choice after your email username to help sort your Gmail. E.g. Finn+spam@gmail.com. This allows you to create a filter for mail that comes in, using the referenced email address.

Keep track of your trick-or-treaters this Halloween using Google Latitude. This free app and service allows family members to receive real-time location information, viewable on a map, with a moving marker displaying your traveling boys and ghouls.