What do you have exactly when you buy ICN?
When we buy ether for example, it's offering access to the whole ethereum eco system... dapps, tokens etc. You need to have ether to transact in the ethereum echo system.
What is the purpose exactly of the ICN Cryptocurrency? What is the use of it?
It's all in the the whitepaper & FAQs:
https://ico.iconomi.net/faq
I hope this infographics helps people who don't bother reading the whitepaper or FAQs

