曾经在香港一家茶餐厅亲眼目睹：衣冠楚楚的白人夫妇，结账时颠倒黑白，说自己给了100美金，要求其余的用港币找零。收银小弟不慌不忙，直接说调监控，引得其他食客也来看热闹。老白男有一丝不耐烦：you know what,just keep the change.小弟摇手指表示拒绝，视频调出，镜头正对收银，小弟收到钱后，双手扯平纸币，前伸展示给夫妇看，嘴里同时报：“收您100文”，赫然是一张100块的港币… source
BY 豆瓣精选
Telegram is a cloud-based instant messaging service that has been making rounds as a popular option for those who wish to keep their messages secure. Telegram boasts a collection of different features, but it’s best known for its ability to secure messages and media by encrypting them during transit; this prevents third-parties from snooping on messages easily. Let’s take a look at what Telegram can do and why you might want to use it.
In many cases, the content resembled that of the marketplaces found on the dark web, a group of hidden websites that are popular among hackers and accessed using specific anonymising software.“We have recently been witnessing a 100 per cent-plus rise in Telegram usage by cybercriminals,” said Tal Samra, cyber threat analyst at Cyberint.The rise in nefarious activity comes as users flocked to the encrypted chat app earlier this year after changes to the privacy policy of Facebook-owned rival WhatsApp prompted many to seek out alternatives.豆瓣精选 from us