4. Conclusion

The smartphone has rapidly become a versatile nomadic everyday tool. The variety and quality of the digital media it manages have greatly improved, as have the interfaces and technologies used. The number and functionality of applications available to manage digital media have opened up a whole new range of uses for the user, albeit sometimes at the cost of greater complexity.

However, if these trends are to continue in the future, technological developments are needed to :

• offer a larger screen area for viewing and interaction, particularly necessary for digital media editing – this is the aim of smartphones with foldable or dual-screen displays (§