Four reasons why they are useful: 1) Not as many people as you think have configured email clients 2) Filling out a form does not break flow with looking at th

Four reasons why they are useful: 1) Not as many people as you think have configured email clients 2) Filling out a form does not break flow with looking at the site 3) Response rates are higher for these forms than an email address (based on my own experience) 4) a form allows you to collect more structured information from responders