abao.gr is an aggregator that collects all bookmarks from the most important Greek bookmarking sites.
The collections of bookmarks is created through RSS Feeds and every submission links back to the first bookmarking site. This way a visitor at abao.gr can easily and quickly view all the Greek bookmarks and when he wants to see more of a submission, abao.gr sents him back to the bookmarking site increasing the traffic of all bookmarking sites.