reddit has a higher density of news items per page, so its upvote system is more efficient. Reddit has twice the items in the same screen real estate. Digg wa

reddit has a higher density of news items per page, so its upvote system is more efficient. Reddit has twice the items in the same screen real estate. Digg was also overrun by children who posted low quality one-liner posts. Neither sites are very innovative or difficult to develop.