@Supreem Spotify, Skype, King, Deliveroo, Takeway.com, Booking.com, Aliexpress, Adyen, Tencent, Lenovo, Samsung, Huawei?
It is bad, but not *that* bad.
Sure, many non-US tech giants don't operate in the US (or are small or unknown there), but are big elsewhere; so from a US perspective it may seem it is only-us, but it is not. Dominant, dependent or intertwined: yes. US-only: not yet.
@Supreem The "intertwined"-issue becomes more important if you look at the tech-stack behind those non-US tech giants.
Nearly all of them rely on some US-platform for critical operations: app-stores (king), OS (samsung, lenovo, huawei), hosting (on AWS) or payment (creditcard providers).
So while there are non-US alternatives, there's always a US-company on which they rely for critical pieces.
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