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, personalized travel, itinerary and private tour and activity 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 arrange for the remote exchange of keys to lodgings, homes and vehicles and for locking and unlocking lodgings homes and vehicles; providing temporary use of web-based software application that allows users of mobile phones, portable media players, handheld computers and related mobile devices to manage, organize, calendar and share with others travel bookings, activity dates, photographs, opinions and preferences; providing temporary use of web-based software application that allows users of mobile phones, portable media players, handheld computers and related mobile devices to arrange for temporary lodging check-in help; 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 goods, real property and services for rent or sale and receive suggested improvements to their listing advertisements; providing temporary use of web-based computer application software for mobile phones, portable media players, handheld computers and related mobile devices, namely, software that allows users to list of goods, real property and services for rent or sale and arrange for professional photographs of the listed goods, property and services; Providing temporary use of web-based software application that facilitates use of the internet by users of mobile phones, portable media players, handheld computers and related mobile devices; 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, sharing of vehicles and rides and temporary parking; providing temporary use of web-based software application that allows users of mobile phones, portable media players, handheld computers and related mobile devices to make payments for the purchases of goods and 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 search for travel, transportation, temporary accommodation, vehicle and ride sharing and temporary vehicle parking listings, travel information and related topics and for making reservations and bookings for transportation, temporary accommodations, vehicle and ride sharing and temporary parking; 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 travel reviews and recommendations for local attractions; 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, arrange and reserve shared vehicles and rides; 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, arrange and reserve temporary parking of vehicles at residences and businesses; 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 book car sharing, ride sharing and temporary parking; providing temporary use of web-based software application that allows users of mobile phones, portable media players, handheld computers and related mobile devices to access information and listings of peer-to-peer transportation; providing temporary use of web-based software application that allows users of mobile phones, portable media players, handheld computers and related mobile devices to engage in social networking featuring travel, transportation, temporary lodging, shared vehicles and rides, temporary parking and the rental and listing of real estate; Software as a service (SaaS) services featuring messaging software that allows users of mobile phones, portable media players, handheld computers and related mobile devices to communicate with each other; Software as a service (SaaS) services featuring messaging software 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; Software as a service (SaaS) services featuring software 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; Software as a service (SaaS) services featuring software 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, personalized travel, itinerary and private tour and activity services; Software as a service (SaaS) services featuring software that allows users of mobile phones, portable media players, handheld computers and related mobile devices to arrange for the remote exchange of keys to lodgings, homes and vehicles and for locking and unlocking lodgings homes and vehicles; Software as a service (SaaS) services featuring software management tools that allows users of mobile phones, portable media players, handheld computers and related mobile devices to manage, organize, calendar and share with others travel bookings, activity dates, photographs, opinions and preferences; Software as a service (SaaS) services featuring software management tools that allows users of mobile phones, portable media players, handheld computers and related mobile devices to arrange for temporary lodging check-in help; Software as a service (SaaS) services featuring software that allows users of mobile phones, portable media players, handheld computers and related mobile devices to list goods, real property and services for rent or sale and receive suggested improvements to their listing advertisements; Software as a service (SaaS) services featuring software that allows users of mobile phones, portable media players, handheld computers and related mobile devices to list goods, real property and services for rent or sale and arrange for professional photographs of the listed goods, property and services; Software as a service (Seas) services featuring software that facilitates use of the internet by users of mobile phones, portable media players, handheld computers and related mobile devices; Software as a service (SaaS) services featuring software 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; Software as a service (SaaS) services featuring software 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; Software as a service (SaaS) services featuring software 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, sharing of vehicles and rides and temporary parking; Software as a service (SaaS) services featuring software that allows users of mobile phones, portable media players, handheld computers and related mobile devices to make payments for the purchases of goods and services; Software as a service (SaaS) services featuring software that allows users of mobile phones, portable media players, handheld computers and related mobile devices to search for travel, transportation, temporary accommodation, vehicle and ride sharing and temporary vehicle parking listings, travel information and related topics and for making reservations and bookings for transportation, temporary accommodations, vehicle and ride sharing and temporary parking; Software as a service (SaaS) services featuring software that allows users of mobile phones, portable media players, handheld computers and related mobile devices to provide travel reviews and recommendations for local attractions; Software as a service (SaaS) services featuring software that allows users of mobile phones, portable media players, handheld computers and related mobile devices to list, arrange and reserve shared vehicles and rides; Software as a service (SaaS) services featuring software that allows users of mobile phones, portable media players, handheld computers and related mobile devices to list, arrange and reserve temporary parking of vehicles at residences and businesses; Software as a service (SaaS) services featuring software that allows users of mobile phones, portable media players, handheld computers and related mobile devices to list and book car sharing, ride sharing and temporary parking; Software as a service (SaaS) services featuring software that allows users of mobile phones, portable media players, handheld computers and related mobile devices to access information and listings of peer-to-peer transportation; Software as a service (SaaS) services featuring software that allows users of mobile phones, portable media players, handheld computers and related mobile devices to engage in social networking featuring travel, transportation, temporary lodging, shared vehicles and rides, temporary parking and the rental and listing of real estate