If you are thinking of creating your own twitter account to share information regarding Bitcoin then it will be hard for you to increase its followers since there are many reputable influencers already in the Twitter.

Anyway to answer your question, twitter is a good source of information for the news but if you are a trader you should know that you should base on the charts and not on the news although there are some altcoins who are pumping as they post an important development on their twitter accounts.