If you use Facebook and YouTube in the browser where there is a Wi-Fi card and AppleID are not required. But if the browser, not the app uses Facebook and YouTube, credit cards and AppleID becomes necessary.
Where there is Wi-Fi, if you use Facebook and YouTube in the browser, credit card and AppleID it is not required. But rather than a browser, if you use the Facebook and YouTube in the app, you will need a credit card and AppleID.
In the presence of Wi Fi, youtube and Facebook in the browser, and credit card AppleID is not necessary. However, if the browser app to use Facebook and Youtube, you will need a credit card and AppleID.