By:  Ashton Kutcher I've been on Twitter now for over 7 months and have now become the number 1 most popular celebrity Twitter user. You can follow me on Twitter @aplusk (a for ashton plus k for kutcher, in case your wondering) and my fan page I set up @C_AshtonKutcher. You can find many celebrities on Twitter, its a great place for us to chat about everyday things and let you see what we are ...