Synergy and Symbiosis

Synergy is the merging of companies that work together to benefit each other rather than working individualy. The word is used quite often to mean that combining forces produces a better product.
The interaction of two or more agents or forces so that their combined effect is greater than the sum of their individual effects. Cooperative interaction among groups, especially among the acquired subsidiaries or merged parts of a corporation, that creates an enhanced combined effect.

Symbiosis is when companies work together to create different products for a lot more profit. For example, Rovio created Angry Birds for the Ipod and they would then distribute it to another company so they can make Angry Birds toys e.g. Hasbro. They would share profits.

A good example of symbiosis is the way Mountain Dew have brought out a design that coincides with the release of Halo 4. The bottles look like they belong in the Halo universe because of the luminous design. Here is a picture: