Social networking sites are very important these days for various reason and purpose including personal, business, education or promotion etc. There are pros and cons in everything and the same goes to social networking site as well.
Now, we can talk about the Twitter, since you may be one of the user of Twitter, you may mostly have an added advantage but sometime you may get some issue as well. It may be like someone follow you and DM you saying click on the link as promotion or getting more twitter followers freely etc. or it could be useless or unrelated message from them to work on.
