Even point-and-shoot and cellphone shooters have double-digital megapixels nowadays, and Google+ is now letting you take advantage of all that resolution. It's brought photo pan and zooming capabilities, meaning that if you've uploaded a decently large photo, all that users in your circle or community will need to do is click it to bring up the lightbox, where they can proceed to explore all of an image's nooks and crannys. Since Google+ now supports full-sized Android photo backups, that'll give vacationers or artists a new way to let others discover their handiwork -