AFAIK the invites will allow the user to set up a new account with no limit to the amount of music that can be streamed in a month, but still have the ads. The standard account is 20 hours a month streaming time and ads, and the full premium (which gives you additional invites to give away to people) is £10 a month and unlimited streaming, no ads, higher bit rate, albums early, and mobile spotify (the final one alone is worth the money).



).
That's rubbish