Q. Which of the following terms recently in news refer to microblogging sites or social networks?

1. Koo
2. Firebase
3. Sina Weibo
4. Parler

Select the correct option from the codes given below:
Answer: Only 1, 3 & 4
Notes: Koo, Sina Weibo, and Parler are microblogging or social networking platforms. Koo is Indian, Sina Weibo is Chinese, and Parler is American. Firebase, however, is a Google-owned platform for mobile and web application development, not a social networking or microblogging site.