>> we are embarking on new technology. many campaigns haven't been brave and bold enough to step into this realm. we are comfortable. we've had excellent results. we've made thousands and thousands of calls through this technology. >> you may not read that e-mail because it ends up in your junk mail folder but are going to read a tess message. what is one screen you have available? tv, laptop or cell phone, the one you have with you all the time. >> reporter: another reason mobile numbers are so important for the campaigns to collect. a lot of people know fewer americans have land lines in their homes than ever before. often times a cell phone is the only way, other than e-mail, to reach a constituent. >> uma: interesting sign of the times. casey, thank you. unprecedented -- lawsuit from a massachusetts gubernatorial candidate making news. tim cahill says his former