Misc. crazy bleeding edge algorithms?

[Mark Kohut]

So, I think I want to read this writer I learned of from the plist,
L. Krasznahorkai, so I go to Amazon.com to see what is in
print and when written and I am scrolling down the list and 
 
the #7 entry is BLEEDING EDGE!..by Thomas Pynchon. 
 
Yes!. Is this a marketing plant aimed directly at me, shaped by 
the algorithms of my Amazon searches or objectively there for
all?.....anyone care to try to replicate? 
 
(I buy few books from Amazon, because I can also get discounts
at other outlets, although I search Amazon often). I did not buy my
BLEEDING EDGE there. Does Amazon know that?
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