Leave a personally inscribed book
Offer directions
Offer to take someone's photo
Volunteer while traveling
Give up your window seat
Leave chocolates for passengers
Give chocolates to flight attendant
Learn Thank You in a new language
Leave notes for street artists
Post inspiring notes in bus/train
Thank late night bus/train driver
Share snacks with fellow passenger
Give your seat to an elder
Leave a note for next traveler
Buy a ticket for someone
Help an elder with luggage
Help collect trash/litter
Commit to doing an act of kindness each day, for 21 days.