SOCIAL MEDIA and career development typically don’t mix. Doom-scrolling Elon Musk’s tweets or getting sucked into the latest TikTok craze do not exactly enhance your work prospects. Unless, that is, the social network in question is LinkedIn. Founded in 2003 in Silicon Valley as a platform for professional networking, and purchased in 2016 by Microsoft for $26bn, it has become a fixture of corporate cyberspace, with more than 800m…