42 Design, development and implementation of computer software for others; Software as a service (SaaS) featuring software for providing data analytics for collecting and analyzing data in the field of real estate; Software as a service (SaaS) featuring software for use in advertising, promoting, sharing and marketing real estate listings, managing real estate leads and referrals, and facilitating the sale and leasing of real estate; Data mining; Hosting an online community website featuring advice, information, recommendations, photos, and resources in the field of real estate; Providing a web-based system and online portal for facilitating communication between users and allowing users to view and post advice, information, recommendations, photos, ratings, videos, reports, referrals, resources, reviews and real estate listings, namely, creating an online community for users to engage in social networking services in the field of real estate; Computer services, namely, creating an online community for registered users to engage in social networking, participate in discussions, get feedback and advice from their peers, and form virtual communities in the field of real estate