After her company officially sells to Verizon, CEO Marissa Mayer is stepping down from the Yahoo board. It’s been in the news for months that Yahoo is selling itself to the telecom giant for 4.8 billion dollars. But actually, it was more complicated than that. Just Yahoo’s consumer web business is being sold, which includes Yahoo Mail and Sports. The leftovers of the company after the Verizon sale also have an official name now, called “Altaba.” That leftover part of Yahoo is important to investors, since it owns a portion of the Chinese e-commerce giant Alibaba, which is worth 36 billion dollars.