Do you want to see all of your friends' and contacts' tweets and posts right from the People Hub? You can do it by adding your Twitter or LinkedIn account to your phone.
To set up your Facebook account on your phone, you need a working cellular data connection or Wi-Fi connection. For more info, see Connect to ...
Describes a Windows Phone 8 error that you receive after trying to sign in to Facebook. Provides steps to solve the problem.
I have loads of photos nicely tagged in Windows 8 Photo Gallery. I have transferred a subset of the photo to my Windows 8 Phone and can see some tags as I would expect. from the People App I can show