Amy Colella, a spokeswoman for Walmart.com, said the retailer then became aware of blogs discussing the issue.
Wal-Mart's initial reaction was to remove movies from the site. Later that day, the company issued a release apologizing for the incident and announcing that it would be shutting down the automated system.
The next day, Wal-Mart issued another release stating that the automated system would be shut down until the company completed an investigation.
"As a result of our review, we have found that the offensive combinations were completely unintentional," read the statement, which included list of the other movies that were linked to the African-American films, including .
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