Some people are weird or daring enough to use real-world currency in order to buy virtual stuff. You would know what it means to buy some expensive items and these items are actually not solidly existent or physically present. MMORPG or Massively Multiplayer Online Role-Playing Game and other types of video games have items that you can purchase and they are ridiculously expensive. The thing is that you can also not touch the items that you just bought.
Expensive Items that are Not Physically Tangible
Check out the items that are extremely costly but are not at all existent in the physical plane: