That's why we give out Tails for free. But making sure that Tails stays secure and improves constantly takes a lot of effort andHowever, keeping Tails secure, constantly improving, and accessible costs money.
<h1 id="warnings">Warnings: Tailsis safe but not magic!</h1>
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[*OnionShare*](https://onionshare.org/) is a tool to share files of any size securely and anonymouslyallows you to create secure, anonymous, and disposable services that other people can connect to.
[*OnionShare*](https://onionshare.org/) allows you to create secure, anonymous, and disposable services that other people can connect to.
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**The content of the USB stick will beis lost in the operation,** but an attacker might still be able to tell that Tails was installed on that USB stick using [[data recovery techniques|encryption_and_privacy/secure_deletion]] unless you [[securely clean all the available disk space|doc/encryption_and_privacy/secure_deletion#usb_and_ssd]] afterwards. ]].
The content of the USB stickis lost in the operation, but an attacker might still be able to tell that Tails was installed on that USB stick using [[data recovery techniques|doc/encryption_and_privacy/secure_deletion]].