Happy Holidays! Today may be Christmas, but there are plenty of reasons you've gotten a new gadget in the last few weeks. It's Hanukah season, and give-gifts-to-your-co-workers season, and Secret-Santa season — plus it's possible you had the grave misfortune of being born near Christmas, and are thus the recipient of the dreaded "combination gift." But hey, it worked out, and you're now the proud owner of a new phone, tablet, or PC. You've opened the box, plugged it in, and turned it on — now what? We've got the answers. Look below to see some of the best stuff for your new stuff, the apps that will get you fully up and running with your new gadget in no time. Before you wade into the App Store, the Play Store, or the Store, make sure you get the best apps first.