It feels like it’s really hard to come up with something big.<p>Am I wrong? Am I just feeling pessimistic?<p>Are there really still loads of yet to be done ideas that will be very successful?<p>Or is the gold dug out and most of the successful idea niches now taken?<p>What are some good ideas that have been seen and released in recent years that would prove that there’s still a wealth of opportunity out there?