I curate a collection called "About Data". You have no idea what kind of submissions I get. They need to clean up the site already, too easy to start spamming collections and post links out there.
The combined 30 day volume of the five exchanges on the homepage of http://bitcoincharts.com/ is about 140 bitcoins per minute. Adding 100 per minute all on the sell side would be a 70% increase in volume, and there would not be a corresponding buy interest added until the price of bitcoin fell considerably. This would reduce the value of the bitcoins.
It goes beyond those who read the post. Some people asked their friends on Twitter and came back with an answer. Others found the information on crowd sourced websites.
