Prince Al-Waleed bin Talal Al Saud, a major shareholder of Twitter, rejected a proposal by Elon Musk to sell him the company's securities. In addition, the shareholders of the social network are considering the option of using poison pill tactics against an aggressive takeover of the company. In this case, shareholders are handed out rights that allow them to buy shares at a certain moment on favorable terms, while the deal becomes unprofitable for the potential buyer.