How Do I Encourage My Listeners to Record Their Questions?

Today's question comes from Jason, who has a call-in show. His listeners are comfortable emailing questions; how does he get them to record their questions using Speakpipe? Jason's site is http://cameraquestion.com/. To enter to win the t-shirt from this episode, use #AskPat657 on Twitter. The tool that Jason references (and the one that I use for AskPat) is Speakpipe (http://www.askpat.com/speakpipe). Do you have a question about podcasting? Record it at http://www.askpat.com/. Today's sponsor is Freshbooks. Go to http://www.GetFreshBooks.com and enter "Ask Pat" for more information. See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.