answer first exercises about twitter

1. chitter: make high-pitched sounds, as of birds
2. 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.
• Senders can restrict delivery to those in their circle of friends or, by default, allow open access.

how to tweet:

1. sign up. get started
2. twitter will ask you if it can serarch throug your e-mail address book to find your friends.
3. twitter will give you the optionto link twitter to your mobile phone for sms updates.
4. after that, you compose your first tweet!!!!

here the video!