We all know that first impressions can make or break a relationship. That's why standout job-seekers tailor their résumés to a organization and then don tailored dress for an interview. That's why successful colleagues arrive on time and prepared for every meeting. So why would an organization give any less weight to a first impression when planning a event? When it comes to catching guests' attention from the get-go, smart planners know it's all about the invitation.