<img src="http://www.crunchgear.com/wp-content/uploads/2010/07/B001OMGVII1.jpg" />Garmin is starting to feel the heat from smartphones with built in navigation, so they'd like you to know (at least if
<img src="http://tctechcrunch.files.wordpress.com/2010/06/telenav.jpg"/>
Sal Dhanani, one of the co-founders of mobile GPS navigation company <a href="http://www.telenav.com/">TeleNav</a>, wants to "