This edition of WebAgency’s search and social news roundup includes stories on search rankings, data access concerns, crawling and more.

• Google: Can Take 6+ Months to See Rankings Improve from Quality Improvements (The SEM Post)
• Mozilla Pulls Ads Off Facebook Over Data Access Concerns (TechCrunch)
• Social Media Spending, Use And Distraction? (forbes.com)
• How Search Engines Work: Crawling & Indexing (Search Engine Journal)