My own path into travel blogging was accidental as well; it started as a way to stay in touch with friends and family instead of sending group emails! (theprofessionalhobo.com)
If the team invite you to meetings, include you in group emails, ask for your opinions on business matters, these actions all add up to leave you feeling involved and valued. (inspiringinterns.com)
That is, it tries to make your email experience easier by automatically grouping emails together into categories. (androidcentral.com)