It work likes a form of clustering – Post-Its™ on a wall – but being web based, it allows idea collection and exchange between people in different locations and even across timezones. It supports voting on proposals, and can generate suggestions to provoke new ideas.
A strong point is that, unlike many browser based mapping applications, if you have a large screen, and you make the browser window full screen it uses it well. And collaboration is simultaneous, in real time.
It is subscription based, but has a free account that is limited to two walls.
If you’re on Twitter and tweet about mapping topics,
tweet me — I’d love to know and follow you.