Former VP of HR at Microsoft, Chris Williams, advises caution when venting about your job on social media.Anonymity is not possible on social media, so be careful about what you post, especially on LinkedIn.Burning bridges and aggressively trashing your company can have negative consequences and make future employers hesitant to consider you.While venting on social media can provide catharsis and help spread your reputation, it's important to be thoughtful and constructive in your posts.