Does Centrelink call you from a private number關於「Social Services twitter」標籤，搜尋引擎有相關的訊息討論：
王定宇 Wang Ting-yu, MP (@MPWangTingyu) / Xtwitter.com › mpwangtingyuSingapore Airlines (@SingaporeAir) / Xtwitter.com › singaporeairWhat is Twitter, a social network or a news media?dl.acm.org › doiGlobal Social Service Workforce Alliance (@SSWAlliance) / Xtwitter.com › sswallian