Online shopping web sites for retail sales direct to consumers
Providing or participating in online marketplaces, which process third-party business-to-consumer or consumer-to-consumer sales
Business-to-business buying and selling;
Gathering and using demographic data through web contacts and social media
Business-to-business (B2B) electronic data interchange
Marketing to prospective and established customers by e-mail or fax (for example, with newsletters)
Engaging in pretail for launching new products and services
Online financial exchanges for currency exchanges or trading purposes.