This document provides information about hostels, tourists, and the water purification business in Thailand. It states there are over 1,760 hostels in Southeast Asia, with 725 in Thailand and 325 in Bangkok, which receives 16 million annual tourists. The revenue model involves leasing water purification machines to hostels for $49 per month. It also lists the founders and advisors of the business and its mission to deliver clean water to travelers and those lacking access through a trusted brand.