A new study by Juniper Research estimates that revenues from mobile content and applications in North America will reach $10 billion by 2015 up from $4.0 billion in 2009
Other findings include:

• Competition in the Canadian wireless market is heating up as new carriers launch HSPA networks
• The future of Mobile TV in North America is in streaming content as consumers embrace on-demand viewing

According to CMS Wire, Juniper Research predicts:

Web 2.0 applications and services will hit US$ 18.9 billion in 2014

Presence based Mobile Web 2.0 services will increase to more than $6 billion by 2012

Getjar estimates the value of mobile apps alone in 2012 to reach US$ 17 billion