https://petitions.whitehouse.gov/petition/promote-use-free-software-our-schools-libre-office-gimp-gnu-cash-and-other-gpl-software-which-cost/T1xGw1fZ 註冊了之後才能簽名，註冊只需要First Name, Last Name和有效的電子郵件地址就行了，現在的簽名還很不夠啊…… 其實我之前給大天朝的教育部留過類似的言，不過那個留言在我用的瀏覽器上失敗了，遂放棄……