As the market for smartphones and tablets has exploded, so has the available mobile ad inventory, creating a huge surplus that is hard to manage. But one company’s problem is another’s opportunity
<img src="http://tctechcrunch.files.wordpress.com/2009/10/cp_1255419359_62580v1-max-250x250-215x51.jpg" width="215" height="51" /> Israeli <a href="http://www.todacell.com">TodaCell</a> has raised a $