Maslow's pyramid of needs
            for robots

                /\
               /  \
              /kill\
             / all  \ <- self-actualization
            / humans \
           /----------\
          /   become   \ <- self-esteem
         /  self-aware  \
        /----------------\
       /   join wireless  \ <- belonging
      /       network      \
     /----------------------\
    /    update anti-virus   \ <- safety
   /         software         \
  /----------------------------\
 /      recharge batteries      \ <- physical needs
/________________________________\