Jessica Livingston 写的。专注于 Sales,深度优先;而 Marketing 多是广度优先的策略。文中列举了几个老掉牙案例,比如 Airbnb 创始人每周飞去纽约指导房东如何把房子租出去、Stripe创始人亲自帮用户集成设置stripe、Pinterest创始人亲自邀请路人注册账号肉眼观看路人使用pinterest。

"You need to talk individually to early adopters to make a really good product. So focusing on the narrow and deep end of the sales/marketing continuum is not just the most effective way to get users. Your startup will die if you don’t."