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Each item is one event, written from several sources, with a footnote for every fact.

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Release

Amazon launches Nova Act

Amazon announced Nova Act on 31 March 2025 as a developer research preview: a system that carries out tasks in web interfaces as small, testable commands written alongside Python code, and first used publicly inside Alexa+.

Release

NVIDIA announces Blackwell Ultra

NVIDIA announced Blackwell Ultra at GTC in San Jose on 18 March 2025, a platform aimed at AI training and at inference that spends more compute per answer, alongside new HGX B300 NVL16 systems and named server and cloud partners.