القارئ الذي لا تصحب قراءتَه عينٌ تتأمّل، وقلبٌ يعي، وقلمٌ يقيّد، هو أشبه بمن قعد قرب النافذة، في قطار سريع، يمرّ بالقرى والصحارى والجبال والشجر، فلا يكاد يعلَق بذهنه شيء منها. كثير من الآراء والفكَر ينشأ من تقييد المقروء وطول تأمله.
القارئ الذي لا تصحب قراءتَه عينٌ تتأمّل، وقلبٌ يعي، وقلمٌ يقيّد، هو أشبه بمن قعد قرب النافذة، في قطار سريع، يمرّ بالقرى والصحارى والجبال والشجر، فلا يكاد يعلَق بذهنه شيء منها. كثير من الآراء والفكَر ينشأ من تقييد المقروء وطول تأمله.
أ.د. عبدالله الرشيد
BY مدوّنة عبدالله الشهري
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Telegram boasts 500 million users, who share information individually and in groups in relative security. But Telegram's use as a one-way broadcast channel — which followers can join but not reply to — means content from inauthentic accounts can easily reach large, captive and eager audiences. Groups are also not fully encrypted, end-to-end. This includes private groups. Private groups cannot be seen by other Telegram users, but Telegram itself can see the groups and all of the communications that you have in them. All of the same risks and warnings about channels can be applied to groups. Telegram does offer end-to-end encrypted communications through Secret Chats, but this is not the default setting. Standard conversations use the MTProto method, enabling server-client encryption but with them stored on the server for ease-of-access. This makes using Telegram across multiple devices simple, but also means that the regular Telegram chats you’re having with folks are not as secure as you may believe. "There is a significant risk of insider threat or hacking of Telegram systems that could expose all of these chats to the Russian government," said Eva Galperin with the Electronic Frontier Foundation, which has called for Telegram to improve its privacy practices. I want a secure messaging app, should I use Telegram?
from cn
