The downside is that you have to invest quite a bit to learn how to do it. It's frustrating to have to learn how to do something you already know how to do: write.
This is more sophisticated. There is quite a bit of variation in the way people write letters, and without the prescribed continuous glyph, a lot of ambiguity.
Give them some credit. This isn't just a rehash of Graffiti. It's real handwriting recognition. I think that's impressive for such a small device. Not as limited as the palm pilot for sure, but still a very limited machine. It may be an incremental improvement, but that's what innovation is, literally, distinct from invention.
This doesn't really have anything to do with libc, except that it is a rich source of well known addresses (without ASLR). So what in the hell are you talking about?
See also: Microsoft and
Here's a few choice quotes:
Although now rejected by mainstream science, vitalism has a long history...
Vitalism is no longer philosophically and scientifically viable...
By 1931, "Biologists have almost unanimously abandoned vitalism as an acknowledged belief."