"In 1998 Yahoo refused to buy Google for $1 million.
In 2002 Yahoo offered to buy Google for $3 billion, but Google wanted $5 billion. Yahoo refused the offer.
In 2006 Yahoo was to buy Facebook for $1.1 billion, but Yahoo’s Ceo lowered it to $800 million and Facebook backed out.
In 2008 Microsoft offered to buy Yahoo for $44.6 billion, but Yahoo refused.
In 2016 Verizon bought Yahoo for $4.6 billion."
#21 Microsoft bought out Skype, it's loaded with Windows 10. Now they have Teams and are killing Skype for Business to force businesses and schools to use Teams. Skype Personal will still be available for a while.