Basically this means that since the demand of one good is linked to the demand for another good, if a higher quantity is demanded of one good, a higher quantity will also be demanded of the other, and if a lower quantity is demanded of one good, a lower quantity will be demanded of the other.Wikipedia – Complementary Good
The more your work helps others to do theirs – the more your success adds to theirs – the more you’ll find that people want to work with you, and cheer you on.
Can you find ways of being so generous and useful to your customers – even to your ‘competitors’ – that their success is a win for you, and vice-versa?
You might become an indispensable part of someone else’s product, or the add on that people buy to complete or enrich their purchase.
It’s a good thing for them to miss you if you’re gone – it’s transformative when they can’t imagine doing it without you.
The butter to their bread
You make everything a little bit better and people include you without thinking. When they do forget you, they find that their sandwiches go soggy, and everything falls apart.
The cream in their coffee
There are other ways to do the job, but you hit the spot. Your presence turns something good-but-no-frills into something safe but luxurious.
The chilli to their gorengan
You’re not for everyone, but you are transformative. You the add the spice and interest that turns a greasy little something into a pick-me-up with a lasting glow.
The rubber to their sole.
They may think they’re hitting the road, but it’s you making what they do stick. You’re the interface that gives them traction.
What is that’ll make them sing about you?