At the height of the U.S. travel ban signed last year, Google employees apparently considered making tweaks to search functions in order to counter President Donald Trump's immigration order.
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Iran has filed criminal charges against the CEO of Telegram, Pavel Durov. This effectively bans him from going to the country any time soon. Durov says Russia is considering similar laws.
Along with the very likely introduction of new luggage screening procedures by the TSA for domestic flights, Homeland Security may ban all laptops in the cabin of any flight into or out of the USA.