This isn’t rocket science, but surprisingly, it does work.  Need your iPhone’s speaker to be a little louder?  Drop it into a nice big funnel-top pint glass.  The echo chamber effect will pump a few more decibels out of the iPhone speaker and you can still read what’s on your display as well.  Great for conference calls or sharing music at a quiet pub.

 

via Unplgged via TUAW

TUAW adds the tip of putting your iPhone in a ziplock bag when in messy cooking situations but that felt a bit on the obvious side.

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Seth Weintraub's favorite gear