WhatsApp 一次性联系支持的人不超过 50 个。 当超过 51 人的时候，就会出现 WhatsApp 用不了的情况，一般 4 小时后，便能正常使用 WhatsApp，若 4 小时还 是不能正常使用，那么封号的可能性就比较大了。
Key Stories
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Venice Biennale jury quits over political row — The entire prize jury for the prestigious Venice Biennale has resigned just days before the opening due to disagreements over Russia and Israels participation.
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Iranian official slams US negotiations — A senior Iranian security official recently claimed that talks are futile and that Iran used a ceasefire solely to rebuild its military supplies.
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Security experts defend controversial surveillance tool — Proponents of FISA Section 702 are making a push to keep the program, calling it a vital tool for stopping everything from spying to terrorism.
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CIA eyes cartel activity near the border — Intelligence work is shifting focus toward cartel operations in Mexico, treating the drug trade and corruption as immediate national security threats.
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Deep dive into Russian historical paranoia — A new essay explores the weird origins of Russias distrust of the West, tracing it back to wild WWI spy plots involving eccentric agents and stolen clothes.
Summary
Tensions are flaring across the globe as national security tools come under the spotlight and international art events face political boycotts. From heated rhetoric in Iran to surveillance debates in the US, the intersection of security and politics is getting messy.
