GroupCast - Is a concept comes from talk in the crowd, when you adress 2 all with "high voice" or even with a cry =). Other description of GroupCast IS "directed spam". 4 GroupCast request U must DEFINE: Your question Personal profile of crowd participant, that reply to your question Croud persons from your contact list. KW in your question 2 describe NEEDED personal skills of person in Group U will cast