These services can help authors to quickly generate large mailing lists which authors can further segment using the demographics of people on the list. (readersfavorite.com)
This means that faith groups, community groups, and any others with large mailing lists in a particular geographical area become really important. (nextleft.org)
A number of campaigns have developed large mailing lists of donors and rent out their lists to other like - minded candidates, PACs and political party committees. (rollcall.com)