If you spend a long time searching for twitter users and then follow them one by one, a free service from http://www.mass-follow.com can help.
Mass Follow allows you to search by keyword and then mass follow the users returned in the results. Enter your Twitter username and password on the main page to log into your account, once logged in you will see a keyword search box. Enter your keywords separated by commas. Select the users you wish to follow or select all, then mass follow them! You can follow upto 100 users at a time.
Mass Follow allows you to search by keyword and then mass follow the users returned in the results. Enter your Twitter username and password on the main page to log into your account, once logged in you will see a keyword search box. Enter your keywords separated by commas. Select the users you wish to follow or select all, then mass follow them! You can follow upto 100 users at a time.