About 2 years ago, our team started to work on an interesting analytics project, and the general technical goal was processing data from any web-page. We had to get the data, process it with parsers and normalizers, and after that, we could carry out analysis with collected statistics.
Available in Russian. The English version coming soon...
Lot of projects, especially small or newcoming, have monetization problems. Even although services they provide are helpful. Some of them just don't have such a budget for marketing. Some missed with monetization model and didn't find a way through experiments to effective money expropriation yet.
Despite wide popularity of this problems lot of startupers tryed to use well-known models without any adaptation to their business scope. Sometimes that is not bad - good oldscool ads or timelimited subscriptions. Checked, worked. But not anywhere and anytime.