If you’re not already signed in, you need to do so:
Go to http://twitter.com.
Sign in:
There are different ways of adding people to your list of those you’re following.
If you know their twitter name
If you know the person’s profile, you can enter their name in the address bar like this:
It should look like this:
When visiting a profile you’d like to follow, click Follow:
If you come across someone’s tweet (or someone mentioned in a tweet)
Click on the twitterer’s name or the icon next to it (in the example below, MacOSXTweets). If you want to follow someone mentioned in a tweet click on their name in the tweet next to the @ sign (in the example below, yuetsu or joelgibby):
Doing either will take you to their respective home page. Click on follow as explained above.
If you don’t know their twitter name
Click on the find people link at the top of the twitter page:
And entering either their username, first or last name:
That often gets you who you’re looking for:
Alternatively you can try the other tabs:
Find on other networks –> via your contacts lists in your Gmail, Yahoo! or AOL accounts
Invite by email –> if you can’t find them or they haven’t signed up yet
Suggested users –> A-list twitterers, famous people, brands etc.
Other ways of adding to your following list
Visit the profile page of someone you like/admire/want to know more about and click on one of the photos in their following list: