1-99seo.com Content Spammer: Research, Ban
1-99seo.com looks like a similar content spammer campaign, from South America/Brazil. The style is very similar to fix-website-errors-com by Semalt, which was really terrible.
1-free-share-buttons.com looks to be the same
It is these types of content scraper marketing campaigns that wastes the receiving web site’s bandwidth. They visit the same pages daily, scraping from multiple IP addresses.