Sara Czyzewicz is a co-founder of Olive Interactive LLC, a startup company that recently moved to Providence from Colorado. Czyzewicz and her partner, Arron Kallenberg, will present a service that they have developed, DandyID, at tonight’s Providence Geeks dinner, which will be held from 5:30 to 9 p.m. at AS220, 115 Empire St. in Providence. She talked with PBN recently about DandyID and how people will manage their many online identities in the years to come.