The Bitcoin Bubble

More people buy it, then more people use it, and it becomes easier to transact with it, which makes it more appealing, so more people buy it, then more people use it, and it becomes easier to transact with it, which makes it more appealing, so more people buy it, then more people use it, and it becomes easier to transact with it, which makes it more appealing, so more people buy it, then more people use it, and it becomes easier to transact with it, which makes it more appealing, so more people buy it, then more people use it, and it becomes easier to transact with it, which makes it more appealing, so more people buy it, then more people use it, and it becomes easier to transact with it, which makes it more appealing, so more people buy it, then more people use it, and it becomes easier to transact with it, which makes it more appealing, so more people buy it, then more people use it, and it becomes easier to transact with it, which makes it more appealing, so more people buy it, then more people use it, and it becomes easier to transact with it, which makes it more appealing, so more people buy it, then more people use it, and it becomes easier to transact with it, which makes it more appealing, so more people buy it, then more people use it, and it becomes easier to transact with it, which makes it more appealing...

(it's not a bubble, it's a positive feedback loop).