They certainly do not use HTML to get data about how many times they have been mentioned in tweets. They most likely use PHP, Python, or other server-side
Programming online games can be done in Java, but can also be done in a program like Unity3D. Good luck in your game development!
What's not too simple about it? It seems as though I should be able to do something where:
1: I get the main page's source,
2: keep only
well i have the answer for this i think and think and the answer is not difficult just make a inner join....
SELECT * FROM User INNER