Here is 5 reviews of super interesting crypto/technologies by 
It's a great format, in just 10 minutes you'll be able to discover and understand each cryptocurrency, their strengths and weaknesses and if you should invest in it. Perfect if you want to have a quick overview of these cryptocurrencies.
Ethereum (ETH) review
Litecoin (LTC) review
Ripple (XPR) review
IOTA (MIOTA) review
NEO (NEO) review
Don't forget to follow his youtube channel : https://www.youtube.com/channel/UCpceefaJ9vs4RYUTsO9Y3FA