No ipod touches will always have internet/safari but you have to be in a wifi zone to use the internet.
settings/wifi
yes if you have the app and internet
No, only for some apps.
no they are good
There is no password for the ipod touch internet. There is a password for the internets on the ipod touches the internets that require a password are 2WIRE212, Craig, and LittleOak.
Yes
No, ipod touches and iphones have internet
an iphone ipod touches can not text .... other wise there would be no difference between the two ...
yes
yes
Sorry you cannot without breaking it