The best practice is to leave a job posting up for 30 days, she added, although more senior roles may require 60 to 90 days.

From casual users to the social media savvy, everyone should know these simple steps to make a Facebook post shareable When creating a post, tap the audience selector (globe icon) and choose “Public” ...

If you'd like to post something in a Facebook group without revealing your name, use Facebook's anonymous posting feature. It's easy to do, assuming that a group administrator has enabled the feature.