- Chatroulette
- Minecraft
- Chatroulette
- Minecraft
There was widespread outcry for the administration to build what Zuckerberg realized he could build faster.
Further, there were existing prototypes in house facebooks.
Source: user number under 10k
If you're selling to consumers, you need to know what they want, because asking them won't yield useful answers. Who would have told you "I want a text box where I can type 140 characters about how I feel" 6 years ago?
If you're selling to businesses however, you need to do customer and market research.
It's not either-or, it can be a mix. But it's not beyond the capacity of some hackers to hack on something they care about and, at the same time, have it be something that others will care about, unless all they're doing is trying to make a quick buck in the startup rush.