The mobile phone is a magic device widely used these days. Although it has been nearly 30 years since the first commercial mobile-phone network was launched, advertisers have yet to figure out how to get their _ 1_ out to mobile-phone users in a big way. There are 2.2 billion cell-phone users worldwide, a _ 2 that is growing by about 25% each year. Yet spending on ads carried over cell-phone networks last year _ 3 to just $1.5 billion worldwide, a fraction of the $424 billion global ad market. But as the number of eyeballs glued to _ 4 screens multiplies, so too does the mobile phone’s value as a pocket billboard ( 广告的 ). Consumers are _ 5_ using their phones for things other than voice calls, such as text messaging, downloading songs and games, and _ 6 _ the Internet. By 2010, 70 million Asians are expected to be watching videos and TV programs on mobile phones. All of these activities give advertisers 7 options for reaching audiences. During soccer’s World Cup last summer, for example, Adidas used real-time scores and games to 8 thousands of fans to a website set up for mobile-phone access. “Our target audience was males aged 17 to 25,” says Marcus Spurrell, Adidas regional manager for Asia. “Their mobiles are always on, always in their pocket—you just can’t 9 cell phones as an advertising tool.” Mobile-phone marketing has become as _ 10 a platform as TV, online or print. A) accessing B) amounted C) approaching D) attract E) casual F) characters G) fresh H) ignore I) increasingly J) messages K) patiently L) tiny M) total N) violated O) vital