Mobile Application Challenges 439
7.2.1 Short Message Service Applications
Text-based short message services (SMSs) offered by mobile ser-
vice providers have enjoyed phenomenal growth worldwide. As
a quick and reliable way to deliver text information, SMS pro-
vides cost-effective person-to-person communication and provider-
to-consumer value-added services. Picture messages are on the rise
due to the unexpected popularity of camera phones. With the advent
of 3G cellular services on the horizon, multimedia messages carrying
video clips are likely to follow the trend. These traditional mes-
saging services have been leveraged by content providers or service
providers to facilitate an assortment of applications. For example, a
phone user may subscribe ...