What is the biggest challenge writers face when trying to stay authentic while also gaining wide reach online?

If you could wake up tomorrow and be able to speak a second language fluently, which language would you chose and why?
There are so many brilliant Indians. Therefore, why isn't India a developed country? Why does the nation have so many problems and so many undesirable aspects?
Have you ever traveled to a new place and realized that what was "common sense" for you didn't apply there? What did you learn from it?