These days many companies are now taking advantage of free marketing on the Internet simply by using Twitter.
Right away you can find that these companies are advertising the fact that they can even be found on Twitter for offers etc as well as to get updates from the company
Here is just a few of the comapanys you can find on Twitter
It is no surprise with the amount of business’s that are now going onto Twitter just to advertise their products / services that Twitter are considering charging business’s for this, but this has still not yet been confirmed.
I use Twitter my self and Twitter even updates everytime I post an update on this site! http://twitter.com/bigrossco
What the future may hold for Twitter I am not sure of, but I like twitter the way it is just now and hope that they will not make far to many / big changes!