If challenging E Ink's supremacy in the e-paper market was hard before, it just became Sisyphean. The company is acquiring e-paper module maker SiPix through a share buyout worth about NT$1.5 billion ($50.1 million) if all goes smoothly. What goals E Ink has with the merger aren't as apparent, although the company wants to go beyond just supplying the parts for another Kindle Touch or Nook Simple Touch -- the
