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Amazon’s marketplace for third-party sellers has become a huge part of its business, making up nearly 60 percent of gross merchandise sales last year. However, a new investigation by The Wall Street Journal shows that thousands of unsafe products have made their way onto the marketplace, the latest example of a tech giant struggling to police the platform it created.

Amazon’s “record-breaking” holiday season powered the tech giant to a strong quarter, breaking a streak of two consecutive revenue misses.

Amazon’s Spheres glow purple in Seattle this past March as the company joined others in marking 100 days until the Special Olympics USA Games begin in the city. (Amazon Photo / Jordan Stead)

Among the nine companies that SVG Partners has selected for this year's seed accelerator cohort are two from China.

Amazon’s growth continues to amaze. Last month, it announced plans to lease five floors of the old Tommy Bahama headquarters in the South Lake Union neighborhood, where Amazon?first planted its flag in 2007. That came just a couple weeks?after news that the online retail giant is opening a new office across Lake Washington in Bellevue, where it recently completed a lease for 354,000 square feet of office space.