Twitter and its usage and importance?

I have been hearing about how social media, especially twitter, is the next generation when it comes to 2 way communication between business and consumers or other parties. I was wondering if anyone had good links for how to fully utilize and understand twitter (like the #word thing etc). Or is this all just a... show more I have been hearing about how social media, especially twitter, is the next generation when it comes to 2 way communication between business and consumers or other parties. I was wondering if anyone had good links for how to fully utilize and understand twitter (like the #word thing etc). Or is this all just a bunch of hype? Thanks
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