Changing the wallpaper can help enhance the appearance of your computer's desktop, please change the subject to what your asking which is technology.
It is a tricky question, but from our current standing, we aren't close. Sure, we might lower the starvation rate, but it's most likely not going to end.
Life is not only worthwhile if you are happy living it. You have been blessed with the chance to experience the world through your current life. If you are not happy living it, then you are doing something wrong. There are things out there that can make you happy. Go out and try something new. You should be happy that you have the chance to experience the world.
False
This is false because in a society people do not care if you were the most popular kid in high school they care if you pay your taxes, are respectable, an obey the laws.