From- BBC News BY- Marianna Spring ( Social media investigations correspondent) Edited by - Amal Udawatta BBC Billionaire Elon Musk has hailed Twitter as a bastion for freedom of expression ever since he acquired the social media site two years ago. But over the course of 2024, X, as it is now called, has evolved from what felt like a communal town square into a polarised hub where views and posts seem even more controversial. Certain profiles that have shared misleading takes on politics and the news, some of which have been accused of triggering hate, have recently shot to prominence. All of this matters because X might not have as many users as some other major social media sites, but it does seem to have a significant impact on political discussions. Not only is it a place where certain high-profile politicians, governments and police forces share statements and views - but now its owner Mr Musk has directly aligned himself with...