申し訳ありません、このコンテンツはただ今 United States のみです。もっと読む
If you’re like most app marketers, your job isn’t getting any easier. With competition on the rise and Cost Per Install (CPI) rates up significantly over the last couple of years, it is getting increasingly difficult to acquire new, high-value users at cost-effective rates.
But all is not lost. The good [...]もっと読む