Only smoke in designated smoking comes, do not smoke on the street
Soup and Coffee in the vending machines come out hot!
Y2000 notes are very rare, so if you get one keep it!
Look out for giant yellow and red Y280 or Y270 signs; all items on these restaurant menus are Y280 or Y270, including drinks!
Always look up!! There are restaurants and shops on every floor of every high rise.
Stations are major hubs; there are always plenty of shops, and restaurants especially in the main stations.
There is free wifi in all train and subway stations.
Some stations wifi (i.e. outside of Tokyo) require an access code. To get this code, send a blank email to firstname.lastname@example.org – it will last you approximately a week or two before you need to send for another code