As an aside, as someone who has started one company in the space of citizen engagement and been in product exec roles at two others, I wonder whether or not rep engagement with constituents is a problem that can be solved with technology or if it is cultural in nature and requires more individual leadership to right the ship. I have met with a large number of reps from city, state and federal levels in order to build an understanding of the strategic problems that are top of mind for them. I have found (generally) that much more effort is paid in "dealing" with inbound messages and heading off harsh judgement in the court of public opinion than procuring good data.
TL;DR tech is important but far from a panacea and something reps don't really think about.