The document discusses content distribution in "unwalled gardens" and compares it to AOL's early content model. It notes that mobile content networks had over 16,000 official content sites from more than 4,000 providers, generating an estimated $4 billion per year industry. Additionally, there were between 120,000 to 150,000 unofficial ("offdeck") sites, accounting for 62% of the 178 billion monthly page views on mobile networks.