A 5 day unlimited mobile data. Cheap and good. Supports micro and nano SIM. 台湾大哥大 Carrier.
Things to do after arrival for tourist for youths get YouthTravel card from Tourism center, next get Chung hwa prepaid card wit unlimited data usage. To get to taipei take evergreen bus (no.5201)
Try the basement food court for local food if fastfood isn't your thing. You can also take cheap shuttle bus to taipei from the basement.
