Worldwide mobile advertising revenue is expected to reach $11.4
billion in 2013, but small businesses have few tools to fully
understand the value of mobile advertising.  Google announced
yesterday the launch of  Full Value of Mobile Calculator, a free
tool that measures how much money mobile advertising actually
brings in.  Here's how it works. Businesses upload data from
Google’s AdWords or from their mobile websites and input them
into the step-by-step calculator. The tool goes through five
potential outcomes of a mobile advertising campaign: in-store
sales, phone calls, app downloads, cross-device purchases, and
sales on mobile site. It takes about 30 minutes to complete the
calculation, according to Google.  For instance, to calculate
the value of in-store sales started on mobile, a user enters the
number of clicks, the percentage of visits out of total clicks,
the percentage of purchases out of total visits, and the average
value of an in-store purchase. (If you do not know the exact
data, the calculato