Retrieves all community groups ranked by popularity with the ability to have paging. The popularity of a group is determined by how many members belong to the group. 

This method can be accessed through the CommunityGroup.asmx file located in:

~/Workarea/webservices/WebServiceAPI/Community/CommunityGroup.asmx

[SoapHeader("AuthHeader")]
[SoapHeader("RequestInfoHeader")]
[WebMethod(MessageName = "GetMostPopularCommunityGroups with paging info", Description = "Retrieves the most popular community groups.")]
public CommunityGroupData[] GetMostPopularCommunityGroups(PagingInfo pagingInfo);

<SoapHeader("AuthHeader")>
<SoapHeader("RequestInfoHeader")>
<WebMethod(MessageName = "GetMostPopularCommunityGroups with paging info", Description = "Retrieves the most popular community groups.")>
Public Function GetMostPopularCommunityGroups(pagingInfo As PagingInfo) As CommunityGroupData()