Content on any geo domain extention will determine the growth of traffic and consumer use. What works for one geo site, may not neccessarily work for another. There is thing called demographics and the consumers in that determine how you should build your geo domain. There is strategy to geo development. It is not as easy as setting up a site with ads and links and few news articles, if you truly want to meet local consumer expectations and loyalty you have deliver the right mix for the area.
This is the hardest part of developing a geo domain to standard. Too many times the developers think what they would like to have on the site, rather than what the consumer wants.
Deliver the content consumers want, and any of your geo sites will become successful and profitable over time. 100% guaranteed.