Marissa Mayer’s startup just rolled out apps for group photo sharing and event planning, and the internet isn’t sure what to think

When Marissa Mayer co-founded a startup six years ago in Palo Alto, Ca., expectations were sky high for the former Yahoo CEO and early Google employee. When that startup, Sunshine, revealed that its first app centered around subscription software for contact management, people wondered if something more ambitious might be around the corner. Today, after…