Just ask them..........check out this web tool to help you ask your community what they would like you to provide...
From their webpage:IdeaScale is a hosted, turn key solution for collecting ideas - no servers and software to install. Get up and running in minutes by answering a few basic questions.
IdeaScale empowers communities to drive innovation.
Collect ideas from your customers, give them a platform to vote, the most important ideas bubble to the top.