You can 3d print a relatively decent actuated humanoid arm: <a href="http:&#x2F;&#x2F;www.thingiverse.com&#x2F;search&#x2F;page:1?q=inmoov&amp;sa=" rel="nofollow">http:&#x2F;&#x2F;www.thingiverse.com&#x2F;search&#x2F;page:1?q=inmoov&amp;sa=</a>
looks quite disruptive compared to your average web-mobile-whatever intangible.