Facebook Portal

Facebook Portal是Facebook Inc.（現更名為Meta Platforms）^[1][2]於2018年發布的智慧音響和視訊通話設備。該產品由四種型號組成（Portal、Portal+、Portal TV 和 Portal Go），通過Messenger和WhatsApp提供視訊通話，並配有可自動縮放和跟踪人們動作的鏡頭。^[3]這些設備構成了亞馬遜的虛擬助理服務Amazon Alexa。^[2][4][5]Meta使用從Portal設備收集的一些數據進行目標式廣告。

評論者對Portal系列的視頻和音頻處理能力給予了積極評價。

參考文獻

1. Calore, Michael. Facebook Made You a Smart-Home Device With a Camera on It. Wired. October 8, 2018. ISSN 1059-1028.  参数|magazine=与模板{{cite news}}不匹配（建议改用{{cite magazine}}或|newspaper=） (帮助)
2. Kelion, Leo. Facebook Portal video chat screens raise privacy concerns. BBC News. October 8, 2018. 
3. Constine, John. Facebook launches Portal auto-zooming video chat screens for $199/$349. TechCrunch. October 8, 2018. 
4. Newman, Peter. Facebook unveils Alexa-powered Portal smart speakers. Business Insider. October 9, 2018. 
5. Smith, Dave. The curious timing of Facebook's first hardware product, the $200 'Portal'. Business Insider. October 15, 2018.