Martha is collecting data on the latest consumer trends. She lives in Holden, Alberta, and is not able to meet her target population in person. She decides to talk to consumer groups, privately via Intern chat rooms, where they can answer questions, respond to ideas, and collaborate with her in real time. Which of the following techniques is Martha planning to use?O a$.$ Online research communitiesOb. Focus groupsOc. In$-$depth interviewsO d$.$ Online bulletin boards