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1.
How Google Pagespeed works
(
calibreapp.com
)
179 points
by
benschwarz
on July 3, 2019
|
45 comments
2.
Fake review factories that run on Facebook and post five-star Amazon reviews
(
theguardian.com
)
598 points
by
sefrost
on Oct 20, 2018
|
313 comments
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