Software as a service (SAAS) services, namely, hosting software for use by others for property management;Computer services, namely, remote management of electronic messaging systems for others; Computer services, namely, remote management of electronic messaging systems for others that allows users of mobile phones, portable media players, handheld computers and related mobile devices to communicate with each other; providing temporary use of web-based messaging software applications that allows users of mobile phones, portable media players, handheld computers and related mobile devices to communicate with each other; providing temporary use of web-based messaging software applications that allows users of mobile phones, portable media players, handheld computers and related mobile devices to send and receive messages among guests of lodging accommodations owned and hosted by others and among the hosts who list lodging accommodations for rent and sale; Providing temporary use of a web-based software application for identifying and defining the scope and components of projects; providing temporary use of a web-based software application for providing an online marketplace for buyers and sellers of goods and/or services on a global computer network; Providing temporary use of a web-based software application for providing a two-way system for users of an online marketplace to evaluate and provide feedback regarding parties they have interacted with via the online marketplace;providing temporary use of web-based software application that allows users of mobile phones, portable media players, handheld computers and related mobile devices to plan, announce, invite others to attend and evaluate real world meetings and events; providing temporary use of web-based software application that allows users of mobile phones, portable media players, handheld computers and related mobile devices to solicit each other to perform a wide range of personal and customized services, housekeeping, cooking and related services;Providing temporary use of web-based software application that allows users of mobile phones, portable media players, handheld computers and related mobile devices to facilitate the sale of goods and services via computer network and to provide evaluative feedback and ratings of sellers' goods and services, the value and prices of sellers' goods and services, buyers' and sellers' performance, delivery, and overall trading experience in connection therewith; providing temporary use of web-based software application that allows users of mobile phones, portable media players, handheld computers and related mobile devices to list and rent temporary lodging, access information, listings and announcements about housing, apartments, condominiums, townhouses, real estate, commercial real estate and rental and leasing advertisements for the foregoing; providing temporary use of web-based software application that allows users of mobile phones, portable media players, handheld computers and related mobile devices to provide reviews and feedback about listers and renters of real estate, temporary lodging, transportation