Editor's note:?Robert Weber is co-founder and?senior vice president of new products?at?W3i. In the mobile world, companies often live and die by metrics: ?How are your monthly active users doing? What?s going on with your user retention? How many total downloads do you have?? These kinds of metrics, which can have widely different implications, can make or break developers.Source: http://feedproxy.google.com/~r/Techcrunch/~3/X1PIc8lxyB4/
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