Criteria
How satisfied are you with Rocket?
How likely are you to buy again?
Are you happy with the price?
Would you recommend it to a friend?
How was the customer service?
At last I found a site that teaches Spanish in an easy way. It is Great way of learning new languages. I've learned a lot from this site. It has many new techniques of learning Spanish and you never get bored. It is very easy to use as well.
6