clive boulton's net-net
Matryoshka doll wonderfully explains nested relationships.   
sfh:

Chances are you might have heard of a Bacteriophage - a virus that infects a bacteria. But have you heard of a virophage - a virus that can reproduce only in cells infected by other virus? Or get this, a transpoviron - strands of DNA that infect virophages?

Matryoshka doll wonderfully explains nested relationships.  

sfh:

Chances are you might have heard of a Bacteriophage - a virus that infects a bacteria. But have you heard of a virophage - a virus that can reproduce only in cells infected by other virus? Or get this, a transpoviron - strands of DNA that infect virophages?

Scobleizer interviews Tristan Harris on Apture’s Russian doll browsing technology.