This is an interesting statistic that I read.

Research suggests that prospective customers really do want to hear from you after your phone call or sales presentation. Email might be a good thing to do.

50%+ of consumers are open to receiving an interactive follow-up when they are interested in as company.

66% of men in the age 35 to 44 age bracket are interested in follow-ups – making them the most interested in follow-ups.

50% of female consumers 18 to 24 would like a follow-up e-mail after they have expressed interests in a company.

45% of U.S. consumers prefer an e-mail personalized to their needs, while 28% prefer an e-mail with general information and 6% prefer text message.

Source: Entrepreneur Magazine, March 2008 Edition