Don’t worry, it’s so easy and useful. Here’s an overview from Wikipedia:
Twitter is a free social networking and micro-blogging service that enables its users to send and read messages known as tweets. Tweets are text-based posts of up to 140 characters displayed on the author’s profile page and delivered to the author’s subscribers who are known as followers….
The 140 character limit on message length was initially set for compatibility with SMS messaging, and has brought to the web the kind of shorthand notation and slang commonly used in SMS messages. The 140 character limit has also spurred the usage of URL shortening services such as tinyurl, bit.ly and tr.im, and content hosting services, such as Twitpic and NotePub to accommodate multimedia content and text longer than 140 characters. click to read more…
My next post will cover #hashtags and wefollow.com