https://www.sonicownersforum.com/forum/threads/why-alaska-airlines-customer-service-better-than-others-know-here.58628/
https://support.google.com/edu/classroom/thread/322816616?hl=en&sjid=16444134618368207955-NA support.google.com
https://superuser.com/questions/1876763/gu%c3%ada-c%c3%b3mo-puedo-conseguir-un-humano-en-expedia superuser.com
https://support.google.com/admanager/thread/322815506?hl=en&sjid=2415269162886242265-NC support.google.com