I think it was right before the flight from Seattle to St. Louis took off last year when I decided I would like to try regularly doing the NY Times crossword puzzle. I opened the app on my phone, downloaded a few puzzles before we took off, and didn't know what I was getting myself into. I completed a ton of minis first, because they're quick and generally simple. They also come with a leaderboard, which provides for competition, which provides for more fun.