“Heading out for a Big Gulp and a Kindle,” you might end up saying to your loved one soon. In an eCommerce world where just about anything that people need can be purchased online and mailed to us, logistics and risk of theft of packages left at the door make for concerns, albeit minor for most. There’s the PO Box option, but the post office isn’t always located conveniently. One thing that is located conveniently in many cities across the country are 7-Eleven convenient stores. In an apparent partnership between Amazon and 7-Eleven, these delivery lockers are starting to roll out in Seattle. Geekwire…