I don't see technical inovation in mods since the current generation of regulated boards more than a year ago. The new cases I see are fashion statements like ladies hand bags. I can't say too much about tanks because I haven't used one since I discovered rda's a couple of years ago. My Nautilus mini is a terrific vape except it's taller than I'd like, a pain to open sometimes and I don't depend on drop in coils any more.I think it's the nature of the equipment that is driving innovation. The higher Wattage stuff has a clear path to improvement. Make more powerful mods, design tanks with more/better airflow, create atomizers capable of firing at greater ranges, come out with batteries that can take heavier loads, that kind of thing. On the other hand flavor is subjective and there really isn't a lot of pressure on manufacturers to come out with more efficient MTL set ups. The stuff that's been out there for over a year still works for what it is designed to do. The innovation is happening at the beginner level to make it easier and easier for people to start, and it's happening at the higher power level to hook people who are into that.
The new product market has beginner kits and cloud makers with little in between. More than half the vapers at work are in their late teens and 20's. Half of them use pod mods. The other half use the proverbial shoebox with the pipe fitting on one side. That's all good because they aren't smoking. In the mean time I don't see a mod I'd rather use then a standard Pico or an rda better than my SV rda clone.
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