Below are the some things which i liked most while using google chart.
1. It is good level of data visualization tool, where we manage our all data trough cloud.
2.Its cross platform availability is at best level where we get best flexibility to work.
3. By using google chart i am able to analyze my organization data very easily.
4. It is very easy to use with company website,
5. It has good amount of feature so you can manager you all data very meaningfully. Review collected by and hosted on G2.com.