Elon Musk, CEO of Tesla, speaks with CNBC on May 16th, 2023.David A. Grogan | CNBCTwitter is accusing Microsoft of using the social media company’s data in ways that were unauthorized and never disclosed.Alex Spiro, a partner at Quinn Emanuel Urquhart & Sullivan and attorney for Twitter owner Elon Musk, sent a letter to Microsoft on Thursday laying out the claims, including that the software company “may have been in violation of multiple provisions” of its agreement with Twitter over data use.It’s the latest rift among tech companies in the growing debate over who owns data that can be used to train artificial intelligence and machine learning software. The New York Times first reported on the letter, a copy of which was obtained by CNBC.After Musk led a buyout of Twitter in October and appointed himself CEO, the company started charging for use of its application programming interface (API), which enables developers to embed tweets into their software and services and access Twitter data.The API was previously free to use for some researchers, partners and developers who agreed to Twitter’s terms. Twitter API-driven apps include Hootsuite, Sprout Social and Sprinklr.According to the letter from Spiro to Microsoft CEO Satya Nadella and the company’s board, last month Microsoft “declined to pay even …
