To build on top of the ideas already presented, The future service platform could use ICG as a form of payment solution with the focus being anonymity.
Perhaps it wouldn't neccesarily be a platform but instead integrated into the wallet. Either way whether a service built upon ICG within the wallet or in a separate application should be able to communicate across multiplatforms to make it viable. Eventually that could lead to the development of additions to the ICG network beyond the recording of transactions into the block chain.