關於「AWS signup」標籤，搜尋引擎有相關的訊息討論：

免費雲端運算服務– AWS 免費方案aws.amazon.com › freeCreate Account - AWSaws.amazon.com › resources › create-accountSupported countries and regions - Amazon Simple Notification Servicedocs.aws.amazon.com › sns › latest › sns-supported-region...Supported countries and regions (SMS channel) -