How MVC in twitter working?

[eluser]Dam1an[/eluser]
[quote author="xwero" date="1240502940"]Dam1an it doesn't need to be a twitter cloon, it can be any app/site where profiles can be viewed by surfers.[/quote]

I know it doesn't have to be a twitter clone, but seeing as twitter was explicitly used in the example, I assumed thats the direction it was heading