It helps others get to know you when you have different interests outside of work that you enjoy talking about. I am not saying that you need to share your life story, on the contrary. But there are certain interests that you can proactively share, whether that be travel, sports or a hobby, to help people know other dimensions of you and therefore feel more interested and linked in to working with you. If you were stuck in an airport with a colleague, would they be intrigued to talk with you for the duration or would they reach for their laptop? Much of this is up to you.