Twitter

Twitter is one of many social networking sites. Twitter is similar to a blog and allows users to send and receive 'tweets', which are like text messages. A user can type up to 140 characters and/or tweet a picture or link to a video. Twitter is primarily used to let people know what you are doing and how you feel. Like any social networking site there advantages to this as well as disadvantages.

Advantages

Twitter is easy to use, and allows you to personalise your homepage. You can follow all your friends and keep up to date with what they are doing. As well as your friends, you can follow celebrities you have an interest in and keep track of what they are doing each day. As well as following celebrities you can interact with them by replying to a tweet.  

Disadvantages

Users can be vulnerable to internet trolls (bullies) and hacking. Anything you say on twitter is there for good, even if you delete the tweet it may be too late, users need to be responsible for what they have to say and think twice before tweeting it. Below is an example of a harmless tweet that was interoperated by American police as terrorism.

http://www.dailymail.co.uk/news/article-2093796/Emily-Bunting-Leigh-Van-Bryan-UK-tourists-arrested-destroy-America-Twitter-jokes.html