Imagine not being able to use a mouse to open a Web browser or a keyboard to type an e-mail. What if you couldn’t distinguish colors on a computer screen or type the distorted letters in order to buy concert tickets or enroll in a class? Despite technological advances aimed at making the Internet easy to use, the World Wide Web is not wide open for many people. However, as the number of people with disabilities grows and more of everything is done online, companies are finding it makes good business sense to make their sites more accessible.