Great replacement for my Marmot Gunnison. Slightly more compact, this backpack fits "under the seat in front of you" for air trips, while still holding all the tricks. Advertisement Should you ever find yourself with ethernet, but no Wi-Fi, a travel router can fill a room with sweet, sweet wireless connectivity. Today on Amazon, pick up a slick TP-LINK model for just $15. Though it’s not on sale, if you…