唔想再有手足被黑警自殺？用呢4個apps!

咩係 metadata?
Digital cameras and mobile phones create image file formats such as JPEG. These files contains hidden data or metadata called EXIF (Exchangeable image file format) which can include the date, time and sometimes the GPS coordinates of the picture, the brand and serial number of the device which took it as well as a thumbnail of the original image.

點樣移除 metadata? 如果你想 100%~水溫~sure嘅話，transfer個file去PC, 用 https://en.wikipedia.org/wiki/Comparison_of_metadata_editors 裏面用 GPL License (any version) 嘅 options。(唔係嘅話，咁不如用 Shortcuts，橫掂大家都係 closed-source)

iOS 用家可以用呢啲 apps 來取代 PanicTrigger:
Open Source 嘅 Alternatives to Find My (location tracker): https://github.com/prey/prey-swift-client; https://github.com/dkhamsing/open-source-ios-apps#location;


之前提到嘅 Signal, Nextcloud 同 Standard Notes 喺 iOS 都有:

https://github.com/standardnotes/mobile; https://apps.apple.com/us/app/standard-notes/id1285392450

https://github.com/signalapp/Signal-iOS; https://apps.apple.com/us/app/signal-private-messenger/id874139669; https://ssd.eff.org/en/module/how-use-signal-ios

https://github.com/nextcloud/ios; https://apps.apple.com/us/app/nextcloud/id1125420102

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