The former group will focus on products that could be useful in a corporate environment, giving organizations a means to get an announcement, product or marketing message to subscribers, customers, potential customers and employees.

• 前一类着眼于产品，它们在公司环境下能有用武之地，给予各单位一种手段，向订户、客户、潜在客户和雇员发布消息、产品或销售信息。