GuestCentric is a leading provider of cloud-based digital marketing software and services that help extraordinary hoteliers promote their brand, drive direct bookings and connect with customers on all digital platforms. GuestCentric's all-in-one platform provides hotels with the only unified solution for managing their guests’ online journey: award-winning, high impact websites; an integrated, easy-to-use booking engine; social media marketing and publishing tools; a GDS chain code and a channel manager to offer rooms on Amadeus, Booking.com, Expedia, Galileo, Google, Sabre, TripAdvisor and hundreds of other channels.

Google Sheets is a spreadsheet program included as part of the free, web-based Google Docs Editors suite offered by Google. The service also includes: Google Docs, Google Slides, Google Drawings, Google Forms, Google Sites and Google Keep. Google Sheets is available as a web application, mobile app for: Android, iOS, Microsoft Windows, BlackBerry OS and as a desktop application on Google's Chrome OS. The app is compatible with Microsoft Excel file formats.