In New York, San Francisco, Los Angeles and elsewhere, Apple fans have been gathering and leaving spontaneous tributes to Steve Jobs at Apple Stores throughout the night. People have left flowers, signs, Post-it notes, and even writing right on the glass walls. Here are a few of the images circulating on Twitter and elsewhere.

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[Photo via @boingboing]

[Photo via @boingboing]

[Photo, left, via jennydeluxe. Photo, right, via anthonyha]

[Photos (left and right) via @jason]

[Photo outside an Apple Store in Sydney via AP]

[Photo of a memorial in Beijing via AP]

[Photo outside a store in New York City via AP]

[Photo of a store in Tokyo via AP]