There was a military analysis site with free and paid versions. For 7 years running if you subscribed to the RSS feed you received the full paid content in the

There was a military analysis site with free and paid versions. For 7 years running if you subscribed to the RSS feed you received the full paid content in the feeds for free. It was great. Eventually enough people must have been clicking "paid" links to paid resources (pdfs, images, etc) in the feed content that they noticed and stopped providing full post content in RSS (for free and paid).