Emerging Technologies and Schools


Of the emerging technologies viewed -- blogging, wikis, nings, social bookmarking, shared online documents (Google docs). Which do you think will be the best fit for schools?
All of the above would be suitable for our school except Social bookmarking.
Why? I do not think it will be utilized with fidelity.
Which do you think will be the least suitable for schools?

Blogging would be the least suitable for my school. Why? Time frame