"We recognize that portability is key to a compelling music experience for consumers, and the biggest challenge for music cloud services to tackle today. mSpot has spent the past five years perfecting its proprietary over-the-air delivery technology so music plays from the cloud so fast it feels local - even when cell coverage is spotty or non-existent, " said mSpot CEO Daren Tsui.

ENGADGET: mSpot stores your music* in the cloud, makes it available anywhere**

While some of them booed the empty stage, others stood anxiously, holding their cell phone-cameras in the air for minutes at a time.

CNN: Lady Gaga: I carry a photo printer in my purse