No, you don't have to decide on the one or the other. They can very well be comb...

wladimir on Jan 12, 2011 | parent | context | favorite | on: Anyone afraid?

No, you don't have to decide on the one or the other. They can very well be combined. Profit isn't guaranteed either if you simply copy someone elses idea. And if you come up with a good new idea you might make a big profit.