An attendee looks at a mobile phone while walking the demonstration room during the F8 Developers Conference in San Jose, California, U.S., on Tuesday, April 30, 2019. Photographer: David Paul Morris/Bloomberg 6日の米株式市場でフェイスブックの親会社メタ・プラットフォームズが下落…
An attendee looks at a mobile phone while walking the demonstration room during the F8 Developers Conference in San Jose, California, U.S., on Tuesday, April 30, 2019. Photographer: David Paul Morris/Bloomberg 6日の米株式市場でフェイスブックの親会社メタ・プラットフォームズが下落…