I'm a bitcoin lover and i want pay the seller bitcoin as more as i can ,if it's same price and same value, and i try to supply one service : sell the online game currency or the others digital goods in the game,and accept the bitcoin, but i found doesn't have much people need this service ,so i want to ask : how many people pay with bitcoin really ?
It depends, the person has to be interested in bitcoin first, only then will he be willing to accept it .
But you can certainly post in the forum, and you will find a lot of people interested in paying with bitcoin. Not sure about the real world.