In 2013, over 3 billion passengers took to the skies. As airlines aim to make flying as simple as taking the train, could everything people would normally associate with air travel – endless queues, bad food, cramped, uncomfortable seats – be about to change for the better?

To find out how their passengers feel in-flight, British Airways is experimenting with an unsual idea, a "Happiness Blanket". In the same way a mood ring can indicate your mood, the blanket monitors brain waves using a headband and changes colours to reveal a passenger's mood.

Dutch airline KLM are engaging intimately with customers at a scale never before possible, spearheading social media not just as a marketing tool, but as a tool that improves what they do for an increasingly connected traveller.

Air France has launched a campaign glamorising air travel by putting a retro spin on modern luxuries. A series of nostalgic posters have been released across social media illustrating the services offered by the airline. But can the campaign make Air France more appealing?