This constant flow of voter information allowed the campaign to refine its outreach over time, helping it to use resources, particularly volunteer time, efficiently. (campaignsandelections.com)
For example, he insisted it enables volunteers to enter voter information they collect on door steps on tablets rather than with paper. (canadianbusiness.com)
Still, there are other avenues for gaining access to voter information by obtaining on the county level. (nystateofpolitics.com)