After they stop working people soon learn they must pay taxes: Social Security and Medicare they thought they were paying for with every paycheck all their working life. Along with these revelations comes the realization that Social Security isn't enough to live on. That's were 401Ks and IRAs come in handy. But not everyone was lucky enough to have had the opportunity to participate in such plans. Most people work for small businesses and until lately small businesses were prohibited from offering their employees such opportunities to save for the future.