New Delhi, March 7 -- It's that time of year again. The tech community has descended upon Barcelona for one of the year's biggest events. Started in 1987, MWC Barcelona (formerly Mobile World Congress) is an annual trade show (just like CES in Las Vegas and IFA in Berlin) dedicated to the mobile communications industry. The event, organised by the GSM Association (GSMA), has since extended to MWC Shanghai, MWC Kigali, and MWC Las Vegas.

Year after year, companies come to Barcelona to showcase the latest and greatest in mobile technology. From smartphones (a mainstay of the event) to laptops, and from smart glasses to crazy concepts, there is something for everyone at MWC. MWC is held at the Fira de Barcelona Gran Via and attended by arou...