What part does the Internet play in social mobilization? The Internet has been hailed as a great potential force to enrich a civil society. Many authors have claimed that the Internet would mobilize grassroots activities. By scrutinizing two particular grassroots activities and their use of the Internet, this article sheds light on conceptualizing the use of the information and communication technologies (ICTs) in mobilizing grassroots activities. The framework may help inform social scientists as well as practitioners who are involved in grassroots activities, and provide a baseline for comparison with future research, which examines mobilization of such activities with the use of the Internet over time