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There's an art to picking a good alarm sound. It can't be too pleasant that you happily listen to it for a few minutes instead of doing what you're supposed to. Nor can it be too annoying, as that can ...

An unauthorized alert bearing a mysterious message that was sent to cell phones in several states across Brazil on Saturday morning is suspected to be the work of hackers, the Brazilian government ...

AusAlert tests involving a text message and 10-second alarm on phones have been carried out in regional locations across Australia. Residents of WA Wheatbelt town Goomalling were the first in Western ...