blackberry curve 8900 questions?

[Mmmmm]

so i have a couple questions:

1. can i update my twitter/facebook with the curve if i have texting but no data plan?

2. can i use the internet free if i connect to wifi, even though i dont have a data plan?

thanks

[Alice]

No.
And no.
Your phone needs to be able to have the ability to connect to a wireless connection. For internet.