This document summarizes Riko Purwanto's case study on how he earned 1 billion Rupiah from the internet with only 500 thousand Rupiah in capital. It discusses his earnings of $38,319.33 in 2019 and $42,475.58 from 2019 to 2020, totaling $80,794.91 which equals 1.131 billion Rupiah at an exchange rate of 14,000 Rupiah. It also shows screenshots of his Skrill online wallet transaction histories and details his revenues, members, and registrations for 2019 to illustrate his earnings and growth over that year. The document concludes by thanking the audience and inviting any questions.