Final answer:
The type of community that interacts over time around a topic of interest on the Internet is called an online community. Online communities are virtual spaces where people interact and exchange knowledge and experiences about a particular topic of interest.
Step-by-step explanation:
The type of community that interacts over time around a topic of interest on the Internet is called an online community. Online communities are groups of people who come together virtually to share ideas, information, and resources about a specific subject or interest.
For example, a brand community may form around a particular brand or product, where enthusiasts and customers engage in discussions and share experiences related to that brand. Another example is a cyber community, which refers to a community that exists primarily online and is centered around a specific interest or activity, such as gaming.
In summary, online communities are virtual spaces where people interact and exchange knowledge and experiences about a particular topic of interest.