"It has been revealed that Yahoo conducted surveillance on its users for the U.S. government.
"Yahoo had an operation to scan the incoming email of its customers for information requested by the U.S. government.
"Yahoo Chief Executive Marissa Mayer agreed to the spying operation."
dailymail. / Exclusive: Yahoo secretly scanned customer emails
Who would want to buy Yahoo?
Mayer joined Google in 1999.
Mayer held key roles in Google Search ... and Gmail.