Final answer:
Two dangers of social networking and social media identified are the spread of fake news and extremist content, and threats to online privacy and security, which include harassment and theft of personal information.
Step-by-step explanation:
Among the potential dangers of social networking and social media mentioned in the provided texts, two notable issues are the misuse of technology for disseminating fake news and extremist content, as well as the risks to online privacy and security. Social media platforms have been exploited by groups to spread misinformation and by operatives to manipulate voters, representing a serious threat to democracy. Concurrently, increased online activity heightens the exposure to criminal intents, such as harassment online and theft of personal information like Social Security numbers.