I recently participated in a forum on AI/Cognitive applications.
" ... Powered by an open platform of real world problem solvers, Convetit brings professionals together for intense dialogues in online moderated engagements. These hands-on experiences provide an unbiased view into where markets and solutions are headed next. Pivot faster than your competition and get breakthrough perspective with curated teams of experts, on demand. ... "
Their blog. Contains some interesting problem solving and innovation case studies.