Choose your seat mate based on your mood. Photo by Paulo Ordoveza.

Your weekly roundup of the hottest travel links across the net:

1. We’ve heard about all sorts of different systems for seating passengers on flights based on travelers’ interests, but now an airline has unveiled a plan to seat passengers based on their mood. Air Baltic says people will have the option of choosing moods like “work”, “business” or “relax” in order to travel alongside others of a similar disposition.

2. When you think about “giving back” through travel, the first thing that probably comes to mind is volunteering abroad. But there are lots of ways of doing your bit for society before you even step on a plane. This article lists a number of travel websites that help you give back in a few simple clicks.

3. Have you ever been in a country where the red tape was wrapped so tightly around everything that you wondered how people ever got anything done? This post about a couple trying to get a credit card replaced while visiting Argentina is a hilarious account of the frustrations of dealing with bureaucracy when you’re abroad.