Mobile learning: advantages and challenges

• Relatively inexpensive opportunities, as the cost of mobile devices are significantly less than PCs and laptops
• Multimedia content delivery and creation options
• Continuous and situated learning support
• Decrease in training costs
• Potentially a more rewarding learning experience
• New opportunities for traditional educational institutions
• Readily available a/synchronous learning experience

Challenges

Technical challenges include

• Connectivity and battery life
• Screen size and key size
• Meeting required bandwidth for nonstop/fast streaming
• Number of file/asset formats supported by a specific device
• Content security or copyright issue from authoring group
• Multiple standards, multiple screen sizes, multiple operating systems
• Reworking existing E-Learning materials for mobile platforms
• Limited memory
• Risk of sudden obsolescence 
• Security
• Work/Life Balance
• Cost of Investment

Social and educational challenges include

• Accessibility and cost barriers for end users: Digital divide.
• How to assess learning outside the classroom
• How to support learning across many contexts
• Content's security or pirating issues
• Frequent changes in device models/technologies/functionality etc.
• Developing an appropriate theory of learning for the mobile age
• Conceptual differences between e-learning and m-learning
• Design of technology to support a lifetime of learning
• Tracking of results and proper use of this information
• No restriction on learning timetable
• Personal and private information and content
• No demographic boundary
• Disruption of students' personal and academic lives
• Access to and use of the technology in developing countries
• Risk of distraction