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.^~†%$££## feedback  is  for  making the process  a ##££$%†~^.
....~~†%££ whole lot  more  messy,  to  introduce a ££%†~~....
....^†%$$£ fractal  in the  spice mix...  things or £$$%†^....
....~%$$$£ populations of things start  to  be self £$$$%~....
.^~†%$£££#        referential or self eating        #£££$%†~^.
....^†%££# (autovore...) or spiraling  in or out... #££%†^....
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.^~†%$££## in the sixties they did research in  the ##££$%†~^.
.^~†%$££## jungle and in  the  sea  and  they found ##££$%†~^.
......^†%£ that feedback  does not give rise  to an £%†^......
.^~†%$££## equilibrium.  they  were trying to prove ##££$%†~^.
....^†$$££ that nature is a  tame  beast. but she's ££$$†^....
....~%%£££                   not!                   £££%%~....
.^~†%$£### this may  hold  true  out  there...  but ###£$%†~^.
.^~†%$£££# maybe not in signal wizardry?  depending #£££$%†~^.
.^~†%$££## on  your  technique,  you  might  easily ##££$%†~^.
...^^~†$££            find recurrences.             ££$†~^^...
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