Plume started the year with two new customer deals, signing Cogeco subsidiary Atlantic Broadband in the USA and Virgin Media in the UK, and now claims to support over 21m homes globally. Plume is building up a head of steam to try and close the gap on rival AirTies. The latter claims to support over 30m homes, with AT&T and Sky being its flagship customers. Sky’s proximity to Plume’s own flagship client, Comcast, is cause for concern, should the leadership try a consolidation efficiency drive, but AirTies added Go Malta this week, via consulting from Divitel. Maltese homes are often stone-built and span over four floors, making mesh WiFi rather necessary. While Plume likes to call its customers ‘smart homes’,…