PROVIDING ONLINE ACCESS TO COMPOSITE COMPUTER SOFTWARE APPLICATIONS COMPOSED OF MULTIPLE APPLICATIONS FROM MULTIPLE SOURCES FOR USE IN BUSINESS, SALES, MARKETING, TRAVEL, EDUCATION AND ENTERTAINMENT; PROVIDING CUSTOMIZED ONLINE WEB PAGES AND ONLINE APPLICATION USER INTERFACES FEATURING COMPOSITE COMPUTER SOFTWARE APPLICATIONS COMPOSED OF MULTIPLE APPLICATIONS FROM MULTIPLE SOURCES FOR USE IN BUSINESS, SALES, MARKETING, TRAVEL, EDUCATION AND ENTERTAINMENT