While charitable donations by households have declined in recent years, a diverse range of donation methods has emerged, including website links, credit cards and point cards partnered with CSR programs, and even bank deposit accounts that make social contributions. By donating money, individuals can express their will on a wide range of social issues and causes. We examine the motives, current status, and diversification of donation methods of personal philanthropy, and explore future directions to enhance donations in the broader context of investment in social contribution.