Those remaining from Sidestep and taking up the majority of the West Coast office are understood to have been account management, email marketing and some engineering positions.

留下来的Sidestep员工占了西海岸办公室的大多数，他们主要负责客户管理、邮件营销以及开发等职责。

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With the advent of email marketing campaigns and customer relationship management software, RFM ratings have become an important tool.

随着电子邮件营销活动和客户关系管理软件， RFM评级已成为一个重要的工具。

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