Sources: last month, Amazon threatened to withhold payments for advertising it runs on Twitter, as the social network refused to pay its AWS bills for months (Erin Woo/The Information)
https://www.theinformation.com/articles/musk-delayed-paying-twitters-amazon-cloud-bill-sparking-ad-threat
http://www.techmeme.com/230303/p19#a230303p19
