> It's slow, though. IIRC it's something like 2-3% a year and we're at 20-30% Your numbers are off by a factor of 2. We are around 40% now and the growth is mo

> It's slow, though. IIRC it's something like 2-3% a year and we're at 20-30% Your numbers are off by a factor of 2. We are around 40% now and the growth is more like 4-5% per year. With that we could be at 90% adoption in a decade, and getting to >50% should be just couple of years; many major countries are already past that mark.