win8 sharing & people app problem

i Just installed Windows 8 in my laptop, with lotS of problem.

i have few doubts regarding it :

1. i Cannot access the content of the shared drives of Win7 desktop PC to my win8 lappy.
it just lists the shared drive but when i try to acces it, it gives error.

2. iF i Link my Gmail, Twitter, Facebook accounts to Win8, so in People app will it merge all my contacts from these accounts into 1 ?

Pls help guyz

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