There's a list of popular TLDs from various sources here: https://docs.google.com/spreadsheets/d/1QpWBAkcgTPDOK7pU2IkdGJHizKDO8kS9vqn4t-_qQdU/edit#gid=0 If we include all those, targeting should be `all locales` since send tab works globally (I'm confirming this) and some of those sites are not focused on Tier1 countries specifically.
Bug 1569692 Comment 5 Edit History
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There's a list of popular TLDs from various sources [here](https://docs.google.com/spreadsheets/d/1QpWBAkcgTPDOK7pU2IkdGJHizKDO8kS9vqn4t-_qQdU/edit#gid=0). If we include all those, targeting should be `all locales` since send tab works globally (I'm confirming this) and some of those sites are not focused on Tier1 countries specifically.