Over the course of two days, the talks and presentations at last week’s LPWA (low power wide area) conference in London revealed a heap of interesting tidbits. However, the industry is still waiting on the sort of scale that would irrevocably prove that the era of LPWAN has arrived. We’re still waiting for a hockey stick, but slow and steady may still win the race. The tipping point is at least closer now, partly boosted by the commercial availability of cellular solutions, NB-IoT and LTE-M, to join the unlicensed spectrum options such as LoRa and Sigfox. Verizon is planning on launching NB-IoT by the end of the year, and pointed to its Skyward drone division as a promising endeavor – with a…