computer application messaging software for desktop computers, laptops, mobile phones, portable media players, handheld computers and related mobile devices, namely, software that allows users to communicate with each other; computer application software for desktop computers, laptops, mobile phones, portable media players, handheld computers and related mobile devices, namely, software that allows messaging among guests of offices, meeting space, event space and restaurants owned and hosted by others and among the hosts who list offices, meeting space, event space and restaurants for rent and sale; computer application software for desktop computers, laptops, mobile phones, portable media players, handheld computers and related mobile devices, namely, software that allows users to plan, announce, invite others to attend and evaluate meetings and events; computer application software for desktop computers, laptops, mobile phones, portable media players, handheld computers and related mobile devices, namely, software that allows users to solicit each other to perform a wide range of personal and customized services, catering and related services, personalized travel, itinerary and private tour and activity services; computer application software for desktop computers, laptops, mobile phones, portable media players, handheld computers and related mobile devices, namely, software that allows users to arrange for the remote exchange of keys to offices, meeting space, event space, and restaurants and for locking and unlocking offices, meeting space, event space, and restaurants; computer application software for desktop computers, laptops, mobile phones, portable media players, handheld computers and related mobile devices, namely, software management tools to permit users to manage, organize, calendar and share with others office, meeting, event, restaurant and travel bookings, activity dates, photographs, opinions and preferences. computer application software for desktop computers, laptops, mobile phones, portable media players, handheld computers and related mobile devices, namely, software management tools to permit users to arrange for office, meeting, event and restaurant check-in help; computer application software for desktop computers, laptops, mobile phones, portable media players, handheld computers and related mobile devices, namely, software that permits listers of goods, real property and services for rent or sale to receive suggested improvements to their listing advertisements; computer application software for desktop computers, laptops, mobile phones, portable media players, handheld computers and related mobile devices, namely, software that permits listers of goods, real property and services for rent or sale to arrange for professional photographs of the listed goods, property and services; Computer application software; computer application software for desktop computers, laptops, mobile phones, portable media players, handheld computers and related mobile devices; computer application software for desktop computers, laptops, mobile phones, portable media players, handheld computers and related mobile devices, namely, software to facilitate the sale of goods and services by others via a 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; computer application software for desktop computers, laptops, mobile phones, portable media players, handheld computers and related mobile devices, namely, software that allows users to list and rent offices, meeting space, event space and restaurants, access information, listings and announcements about offices, meeting space, event space, restaurants, real estate, commercial real estate and rental and leasing advertisements for the foregoing; computer application software for desktop computers, laptops, mobile phones, portable media players, handheld computers and related mobile devices, namely, software that allows users to provide reviews and feedback about listers and renters of offices, meeting space, event space, restaurants, and real estate; computer application software for desktop computers, laptops, mobile phones, portable media players, handheld computers and related mobile devices, namely, software that allows users to make and receive payments for the rental, purchase and sale of goods and services; computer application software for desktop computers, laptops, mobile phones, portable media players, handheld computers and related mobile devices, namely, software that allows users to search for offices, meeting space, event space, restaurants, travel, travel information and related topics and for making reservations and bookings for offices, meetings, events, restaurants, and travel; computer application software for desktop computers, laptops, mobile phones, portable media players, handheld computers and related mobile devices, namely, software that allows users to provide travel reviews and recommendations for local attractions; computer application software for desktop computers, laptops, mobile phones, portable media players, handheld computers and related mobile devices, namely, software that allows users to engage in social networking featuring offices, meeting space, meetings, event spaces, events, restaurants, travel, and the rental and listing of real estate