For those who care about checking fake news, here're some tools I got from a friend's post quoted below.
現今社交網站，甚至很多新興獨立的新聞媒體，都喜歡使用一些cap 圖，加一些誇張的Key words，去給引你的眼晴。網上也有很多圖片被瘋傳。但是，很多時候，那些被瘋傳的圖片是有人刻意修改的P(hotoshop) 過的圖片，加上引導性的標題，企圖製造某種事實和真相。就算你不是立刻認同和分享出去，久而久之，也會建立一種印象，以為那些消息是真有此事。這就是洗腦。
當你如何去驗證這些P圖片? 我在Great Course Plus 的 Fighting Disinformation課程中，看到有以下一些功具可以幫到大家。
DIGITAL TOOLS FOR IMAGE VERIFICATION
Fotoforensics.
http://fotoforensics.com/.
This image-comparison tool helps you to analyze the compression rate in a photograph, which may help you to tell if it has been tampered with.
Images.google.com.
https://images.google.com/.
Compares one image to others on the web.
InVid.
https://www.invid-project.eu.
A suite of visual-analysis tools, accessed as a browser plugin, that can help analyze video.
Reverse Photos.
https://www.labnol.org/.../mobile-reverse-image.../29014/.
This is also an image-comparison tool; it works well on mobile phones.
TinEye.
https://tineye.com/.
This image-comparison tool provides dates and more information about other instances an image was put into circulation.
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