There is a comfortable notion that telcos are bound to make a success of edge computing because their physical assets – cell sites, central offices and so on – map so well to the locations needed for an edge cloud. Operators do have a good set of sites, on which they could build cloud infrastructure, or support third parties to do so. But there will be many applications that need a very different set of locations – particularly indoor-heavy ones – or will require added value services that operators are not well-placed to provide. Many operators are over-optimistic about just how far the sites alone will take them in the edge market. But those which invest in the right services…