(1) Billion-dollar companies are often built on products that consumers don't know what they want, until they see and experience it.
Plenty of MP3 players pre-dated the iPod. But the iPod changed the market and put Apple back on the game board.
The iPod had an experience, the form-factor, the capacity, and the horizontal integration -- being able to buy music directly on iTunes -- and once you experienced it, you realized that this was just better.
(2) Find your blind spots and fix them.
A wide variety of dolls, covering the full palette of skin colors, opened up a huge market for all the girls that didn't just want an Industry Standard Barbie Available In One Skin Tone.
Rhianna had the same problem -- she could never find makeup that worked with her skin color. So she introduced her own makeup brand -- marketed as being for all women -- which is now valued in excess of three billion dollars.
We see this a lot in Japan, by the way -- Silicon Valley companies come here, and engage in what I would say are aggressive levels of cultural ignorance.
(3) Recognize the context around your customers.
MGA recognized that Kids These Days spend a lot of time on YouTube, so they built a product designed to be YouTubed.
Glock is a great example of this. The founder, Gaston Glock, didn't come from a gunsmithing or firearms manufacturing background.
To create the first Glock pistol, Gaston put together a cross-functional working group, including metallurgists, plastic-manufacturing specialists, and members of the Austrian police and military that would actually use the design.
Focusing on how the pistol would be used -- from both a tactical and logistical standpoint -- they created something which was a total departure from everything else on the market. A completely integrated safety system. Tool-less takedown and reassembly. Easy maintenance. Most companies require a unique magazine for each different type of pistol -- Glock magazines are totally interchangeable within the same feed mechanism.
Today, Glock is the biggest pistol brand, and every other pistol manufacturer carries Glock-inspired design.
Being able to look at problems from the outside is powerful.