➀ TikTok users in the US have been locked out of the app; ➁ The ban is due to data security concerns and potential sharing with the Chinese government; ➂ President Trump named as a potential savior by the app's message to users.

1. Nakabayashi announces the release of the NMD-400CB, an electronic circuit board destruction machine; 2. The machine is designed for efficient and secure physical destruction of electronic components such as tablets, PCs, M.2 SSDs, and USB memory sticks; 3. It features a two-axis rotating mechanism with special blades, a safety lock system, and a 17L dust box, with a destruction time of about 10 seconds per item.

1、在网络攻击中，内存弱点是主要根源，cheri技术可以防止这些攻击。 2、cheri是一个扩展的处理器ISA，启用了坚实的内存访问机制。 3、cheri技术可以用于保护数据栈、实现compartmentalization，并且可以轻松地实施到现有的应用程序中。