Not content with the advantage it gets when 39% of its customers kick the tires on the merchandise in someone else's showroom before buying from them, Amazon decided to go a little further.

Her entrance attracted no attention whatsoever.

Another sort of prototype helps in the situation where you are not even sure what behaviour you want - the ikiwisi' syndrome (I'll know it when I see it). This is the sort of prototype that is built for evaluating user interfaces. Prototyping is therefore experimentation designed to yield information for the development process

If the employment is halftime, $12.50 plus 12 of the next $75 is disregarded. If the employment is irregular or occasional, the allowance is adjusted to be consistent with the situation.