CONFIRMEDDate confidence: CONFIRMEDStated as firmHow firmly the source words the date: confirmed, scheduled, estimated, delayed or unverified.Show all CONFIRMED pins95% CONFIDENCEOverall confidence: 95%How well the pin's source and references back up its dates.Weighted average of how firmly 13 references, the source included, support the pin's start and end times; a reference counts half as much for every 180 days older than the newestShow all pins at 75% confidence or better
Dated Google[1][2][4][5][7][8][9][11] announcement; commercialization milestones are recorded separately in the sourced timeline.Google discloses its first Tensor Processing Unit after more than a year of internal use, a custom TensorFlow accelerator already powering Search, Street View and AlphaGo.
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