Four things to expect from Google's upcoming I/O conference

Internet giant Google's I/O (input/output and 'Innovation in the Open') conference is around the corner and developers around the world are awaiting to discover the latest version of the Android operating systems.

Google may unveil a modular smartphone this year. According to reports, the tech giant is developing an environmental friendly and cost-effective smartphone with a customizable design, made up of various small blocks containing the different components (processor, memory, camera, speaker, 3G chip, etc.).

The 'Nexus 6P' smartphone is expected to have great display, battery life and camera, the Verge reports.

Secondly, Google is also expected to unveil virtual reality on similar lines of the Apple, Microsoft, Facebook and Samsung.

The California-based tech giant is also expected to unveil its self-driving car in the conference.

Tango is another project in the works at the Google ATAP group which could make an appearance at the Mountain View conference, showing off advanced 3D mapping technology that adapts to the user's surrounding environment.

Google I/O is an annual software developer-focused conference held by Google in Mountain View, California. The conference is scheduled to take place from May 18 to 20 this year.

Google I/O features highly technical, in-depth sessions focused on building web, mobile, and enterprise applications with Google and open web technologies such as Android, Chrome, Chrome OS, Google APIs, Google Web Toolkit, App Engine, and more.

Google I/O was started in 2008. The format of the event is similar to that of the Google Developer Day.