One issue I don't see addressed is that I appreciate the warning I get as my batteries die. In an apple trackpad, like the one in the "article", I get a few weeks notice when my batteries are dying. With this am I more likely to have devices just give up suddenly?
That, plus the safety concerns and the fact that their math is bogus will probably keep me from using one.
That, plus the safety concerns and the fact that their math is bogus will probably keep me from using one.