A photo taken in Portrait mode on iPhone 17e.
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Robot vacuums are one of the greatest inventions in recent history, and they just keep getting better. Most models these days have self-emptying capacities, smart functions that avoid obstacles, and even pet hair stands no chance against these advanced machines.
There's also Stream.broadcast() for push-based multi-consumer scenarios. Both require you to think about what happens when consumers run at different speeds — because that's a real concern that shouldn't be hidden.