Online hosting services and services relating to investment portfolio modelling and enabling consumers to model proposed actual or fictitious investment portfolios to ascertain return on an investment portfolio; simulation of investment portfolios; interactive online simulations of investment, share, property and superannuation portfolios; interactive games for one or more persons in which participants can trial and compete with other investment portfolios; modelling imaginary or trial investment portfolios to ascertain likelihood of success of a real investment portfolio for business and entertainment purposes