Its easy. Just follow instructions below.
Document Management System
Business Management System - Manage Accounts and Payments
Multi Blog Manager - Publish and Manage Multiple Blogs
Listing Management System
Self Serve Ad Manager - Buy Sell Banner Ads and Textlink Ads
URL Shortener Service - Create Short URLs for Your Long URLs
Group Manager - Create and Manage Groups
Membership Management System - Sell Content and Manage Memberships
Video Sharing Marketplace - Buy Sell Videos