这些活动大多为商店定位（60%） ，39%用手机对比价格，19%使用iPhone下载优惠券， 23%寻找出售产品， 37%学习产品知识。
39% also use the phone to compare prices. 19% of iPhone moms download coupons, 23% look for items on sale, and 37% use their phones to learn about products.
这些“知识付费”产品的内容范围包括语言学习到园艺或婴儿护理。
The contents of these "pay for knowledge" products are from language learning to gardening or baby caring.
它也描述了学习技术，比如学习期限和场所，包括将知识从工作环境转换到产品开发团队的方法。
It also describes learning techniques such as apprenticeships and workshops, including ways to transfer knowledge from the work environment to the product development team.
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