Gartner predictions

By 2018, more than 25 million head-mounted displays (HMDs) will have been sold as immersive devices and virtual worlds will have transitioned from the fringe to the mainstream.

By 2016, biometric sensors will be featured in 40 percent of smartphones shipped to end users.

Through 2017, one-third of consumers in emerging markets will have never owned a Windows device.

http://www.gartner.com/newsroom/id/2941317

By 2018, digital business will require 50 percent less business process workers and 500 percent more key digital business jobs, compared with traditional models.
Near-Term Flag: By year-end 2016, 50 percent of digital transformation initiatives will be unmanageable due to lack of portfolio management skills, leading to a measurable negative lost market share.

By 2017, a significant disruptive digital business will be launched that was conceived by a computer algorithm.
Near-Term Flag: Through 2015, the most highly valued initial public offerings (IPOs) will involve companies that combine digital markets with physical logistics to challenge pure physical legacy business ecosystems.

By 2018, the total cost of ownership for business operations will be reduced by 30 percent through smart machines and industrialized services.
Near-Term Flag: By 2015, there will be more than 40 vendors with commercially available managed services offerings leveraging smart machines and industrialized services.


By 2020, developed world life expectancy will increase by 0.5 years due to widespread adoption of wireless health monitoring technology.
Near-Term Flag: By 2017, costs for diabetic care are reduced by 10 percent through the use of smartphones.

By year-end 2016, more than $2 billion in online shopping will be performed exclusively by mobile digital assistants.
Near-Term Flag: By year-end 2015, mobile digital assistants will have taken on tactical mundane processes such as filling out names, addresses and credit card information.

 By 2017, U.S. customers' mobile engagement behavior will drive mobile commerce revenue in the U.S. to 50 percent of U.S. digital commerce revenue.

Near-Term Flag: A renewed interest in mobile payment will arise in 2015, together with a significant increase in mobile commerce (due in part to the introduction of Apple Pay and similar efforts by competitors, such as Google increasing efforts to drive adoption of its NFC-enabled Google Wallet).

 By 2017, 70 percent of successful digital business models will rely on deliberately unstable processes designed to shift as customer needs shift.

Near-Term Flag: By the end of 2015, five percent of global organizations will design "supermaneuverable" processes that provide competitive advantage.

By 2020, retail businesses that utilize targeted messaging in combination with internal positioning systems (IPS) will see a five percent increase in sales.
Near-Term Flag: By 2016, there will be an increase in the number of offers from retailers focused on customer location and the length of time in store.
http://www.gartner.com/newsroom/id/2866617

The top 10 strategic technology trends for 2015 are:

Computing Everywhere
3D Printing
Advanced, Pervasive and Invisible Analytics
Context-Rich Systems
Smart Machines
Cloud/Client Computing
Software-Defined Applications and Infrastructure
Web-Scale IT
Risk-Based Security and Self-Protection
http://www.gartner.com/newsroom/id/2867917

Also read this :
http://www.alibabaoglan.com/blog/gartners-technology-predictions-2014-2015-2016/