Look at the trend for Britney Spears compared to PostgreSQL (http://www.google.com/trends?q=britney+spears%2C+postgresql&ctab=0&geo=all&date=all&sort=1 http://w

Look at the trend for Britney Spears compared to PostgreSQL (http://www.google.com/trends?q=britney+spears%2C+postgresql&ctab=0&geo=all&date=all&sort=1 http://www.google.com/trends?q=britney+spears%2C+postgresql&...). I'm not sure what to make of it because Britney Spears and mongodb do not offer a tenth of the features of postgresql, yet they are clearly more popular. In computer science, I believe everything can be seen as a graph so of course, graph databases are a great fit for every problem. Object databases were also a great fit for objects. But where are object databases now compared to relational databases? It's great to have so many options now and it's great to see nosql databases giving ideas to sql databases (http://momjian.us/main/blogs/pgblog/2010.html#April_10_2010_2 http://momjian.us/main/blogs/pgblog/2010.html#April_10_2010_...). Although relational databases might be less elegant for immediate programming problems, they are far more flexible when new needs emerge and their ACID properties have a far better track record than most (if not all given their age) nosql databases.