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Best Buy Website Suffers Black Friday Outage

Best Buy's website came back online Friday morning, after an extended outage during one of the busiest shopping days of the year.

The company attributed the outage to heavy traffic. "A concentrated spike in mobile traffic triggered issues that led us to shut down BestBuy.com in order to take proactive measures to restore full performance," Best Buy spokeswoman Amy von Walter said in a statement.The site also experienced issues around 9 a.m. Thursday morning when CNBC tried to load it, and separate media reports noted that it also was down late Wednesday night. According to Adobe, Black Friday this year is expected to be the fastest-growing online sales day of the year, posting 30 percent growth. It's expected to rake in $2.48 billion.As of 6 p.m. Thursday, Adobe said online sales on Thanksgiving Day rose 27 percent to $878 million.

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-- Krystina Gustafson, CNBC