Developers can also set their own maximum daily budgets, run multiple campaigns each with its own unique messaging and/or geo-target their campaign by country, handset or carrier.

开发商还可以自己设定每日最大广告预算，使用GetJar的独家信息服务，推动基于地区、手机或运营商定位的多种促销活动。

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Handle budgets and manage campaign costs.

处理预算和管理业务成本。

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The devil is in the details, here: campaign budgets vary, and so do celebrity price tags.

FORBES: Poll: Celebrity Endorsements Don't Work... Don't Tell Angelina

As brand budgets and campaign funds start to flow more quickly into the social media space, researchers, too, are looking to these questions.

FORBES: How Valuable Are Heavy Social Media Users, Anyway?