A way of looking at Twitter, by far the most popular microblogging-like service right now. This short video explains why people would consider using Twitter:
Read an article about Twitter by Paul Gil https://www.lifewire.com/what-exactly-is-twitter-2483331
Your primary resource for getting started with Twitter will be the following presentation from Roy Murray which is embedded here for your convenience. If you cannot see the embed, follow this link: http://www.slideshare.net/RoryMurray/twitter-quick-start-guide.
You might also find tutorials directly from Twitter helpful as well: https://support.twitter.com/groups/50-welcome-to-twitter#topic_204
Along with this How to Use Twitter – the Basics video from METV: