Apple’s free app promotion falls flat
A key flaw with Apple’s (APPL) “Try Before You Buy” feature makes it a worthless app promotion. Also in today’s App Industry Roundup , we examine more iPod rumors, apps for Lollapalooza and a review of $500 earphones.

AIRLINE AIRPLANE ADAPTER FOR HEADPHONES HEADSET STEREO PLUG 3.5mm 1/8 $0.01 DESCRIPTION: Enjoy rich stereo sound on your next flight. Our Airline Headphone Adapter will convert a standard stereo headphone jack 1/8″ (3.5mm) to a standard airline dual-prong jack. It will allow using your own headphones with the in-flight entertainment system. SPECIFICATIONS: The airline adapters converts a regular headphone stereo jack 1/8″ (3.5mm) to a dual prong 1/8″ (3.5mm) airline jack…

Logitech Ultimate Ears 500vi Noise-Isolating Headset – Dark Silver $73.99 Stereo – Mini-phone – Cable – 16 Ohm – 20 Hz – 20 kHz – Earbud – Binaural – Open…

Etymotic Research ER6i Isolator In-Ear Earphones (White) $99.99 6i Isolator Earphones are designed specifically for use with the Apple iPod and other small portable players, providing greater sound output and enhanced bass.In-the-ear secure fit for optimal performance Highly accurate music reproduction with greater sound output and enhanced bass Exceptional noise isolation…

Sound2 6 ft. earphone, earbud extension cord; 3.5mm. $5.49 Excellent quality extension cord for all types of audio products that use a 3.5mm connector. Perfect for computers, laptops, Ipod, Zune, Creative, Sandisk, Nintendo, and others….

MEElectronics M6-BK Sport Sound-Isolating In-Ear Headphones (Black) $19.50 M6 Sport earphone: Unique at this price point, the M6 is a winner in sound, comfort, and style. Over the ear sport fit with memory wire for a comfortable, locked in fit; Amazing bass with great detail and treble extension; Great for exercise/sports, sleeping, or wearing under a helmet; Frustration-free designer cable that has low microphonics and is tangle resistant; In-ear design provides passi…