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Re the spread price drop, that could also be because of the overall drop in cryptocoin price, as everything still follows BTC, and BTC got hit hard with China's ICO ban.
I think the price drop started well before the China news hit. Someone either knew a delay was coming or even knew the project will never finish.
There seems to be a few factors, Helium is almost certainly the prime mover in Spread pricing ATM, but Spread also has had something of a mining boom in the past month too, and when miners come in generally the price benefits as well (heavy mining usually causes a price rise because miners are then active on that coins markets).
I think the Helium anticipation and the mining hype were a two-pronged pump, and with the ICO/Exchange bans causing the FUD of the month, PLUS the delay/lack of communication out of this project caused some spread-helium speculators to loosen their grip.
Helium as an overall project concept is still quite solid and novel, it's for that reason I'm interested in it. Novel uses with real world applications are what will drive long-term viability, however, the teams behind those ideas need to be able to deliver on them. In the early days of this pre-notice I saw more upfront and timely communication than I have in the past two months supposedly shortly before their first major go-live, which is more than a little troubling.
I bought my spread in the VERY early days of this pre-ann so it could dump quite a bit more before I'd be at a loss, but it's still sad to see the stagnation.