This could be in the form of a mobile phone application, a social enterprise or a platform for co-creation of public policy. Innovations could address demand-side issues (tools for citizens), support supply (tools for public servants) or even bridge the gap between the two and allow each to leverage their full potential (ibid.). In principle, the diffusion theory is considered a meta-theory based on the fact that, as pointed out by Rogers (1995), it combines several theoretical perspectives that relate to the overall concept of diffusion.