Fees, mergers, shrinking seats … enough with the bad news! Believe it or not, certain consumer-facing elements of air travel improved in 2013. New planes and airlines with flashy high-tech features debuted. Wi-Fi arrived in more cabins. And even the TSA made a few smart moves. Our conclusion? The sky's the limit for 2014. Here's a look at nine positive changes that shook up the air industry this year.