Full Article here
Audiences who visit a web application website consist of generally 3 groups - those who wants to sign up; those who are here to explore and to confirm what they sign up for is beneficial; and lastly, those who are not convinced and needs to find out more. Hence the position of the sign up buttons, the graphics used, copy writing and the other elements that come into play should work together to gain maximum benefits. As designers, other than creating a vibrant site for the web service or application, it is crucial that we should also help users to get over the barrier of using an unfamiliar medium and translating their interest and concern into positive action through signing up.