भारत में आम जनता के लिए इंटरनेट सेवा पहली बार किस वर्ष 15 अगस्त को शुरू की गई थी?

Which social media metric refers to the total number of unique users who see your content?

Consider the following statements: 1. MOOCs always ensure high completion rates due to open accessibility. 2. Cloud Computing eliminates the need for local data storage entirely. 3. Artificial Intelligence in education can enable adaptive learning systems. 4. Blockchain can be used for secure academic credential verification. Which of the above statements are correct?