<p class="css-xbvutc-Paragraph e3t0jlg0">Twitter Inc.&nbsp;on Thursday told employees it would notify staff about headcount reductions on Friday, according to a message to workers, a move that comes about a week after billionaire&nbsp;<a class="css-1h1us5y-StyledLink exk4ewm0" href="https://www.wsj.com/topics/person/elon-musk" _mce_href="https://www.wsj.com/topics/person/elon-musk">Elon Musk</a>&nbsp;acquired the social-media&nbsp; company.</p> <p class="css-xbvutc-Paragraph e3t0jlg0">The company didn’t spell out the extent of the cuts. According to the email&nbsp; Twitter had more than 7,500 employees at the start of this year.</p>