When you go to curate content from your training posts, it seems that you aren’t seeing the articles that you think you should. Maybe you’ve seen some posts on a blog whose RSS is in your sources, yet they don’t show up in the Training page. Or you’ve go some Google Alerts but they don’t seem to bring anything back, yet a search of the keywords shows some results.
Twitter is probably the most widely used content distribution system on the internet. Wherever content is published, it usually ends up on twitter. Keeping up with this manually is becoming ever harder. How much time do you spend reviewing all the tweets of those you follow, twitter lists and hashtag searches?