We talk with Opera Software and Sergey Lossev, head of products for Opera Max as he discusses the launch of Opera Max at Mobile World Congress 2014, a free app which promises data savings by compressing data across applications on your mobile device - including video, text, and images - so you can get the most out of your data plan and more control over your data usage. Interviewed by Tina Miteko for Tech Talks Central.

We talk with Tim Messerschmidt, Developer Advocate for PayPal at Mobile World Congress 2014 about what beacons are, how PayPal is leveraging this technology to pilot cashless transactions in retail stores, his take on cryptocurrencies such as Bitcoins, and much more.

Thomas Gronbach from Keynote Systems talks about the key differences that make integrating mobile into existing Application Lifecycle Management (ALM) a challenge; how companies and QA testers can get a true sense of the user experience; when to test using emulators versus real devices; the difference between manual testing and automated testing; and tips for those who do not yet have a viable mobile strategy in place. Interviewed by Tina Miteko for Tech Talks Central.

Muki Kulhan talks about Jiggster, a Zap Venture, which is an online free video console game trading marketplace. A mobile app that allows mass gamers or just fans to trade for free with close proximity users or ever broader out, their old games. Muki talks about expansion and monetization. Interviewed by Tina Miteko for Tech Talks Central.

John Lunn, Lean Evangelist for EMEA PayPal, covers their major Mobile World Congress 2014 announcements; the Samsung Galaxy S5 which will allow payments with your fingerprint and the collaboration on the Samsung Galaxy Gear 2 Watch. How PayPal is more interested in making our lives more convenient and not only secure. Interviewed by George Voulgaris for Tech Talks Central.

We chat with Magnus Ekenheim and Anna Aleryd from Sony Mobile about the opportunities Internet of Things (IoT) presents for application developers, the Sony Smart Eyeglasses and Smart Watch, and how they see IoT affecting consumers in the future. Interviewed by Tina Miteko for Tech Talks Central.

Maria Papadopouli is a tenured Associate Professor in the Department of Computer Science at University of Crete with global distinctions by companies including IBM (Faculty Awards in 2004 and 2005) and Google (Faculty Award 2013). Maria is leading a team of researchers at the Foundation for Research and Technology - Hellas (FORTH) developing CoRLAB & u-map, a portfolio of sophisticated solutions for multi-modal collection and intelligent, actionable, business-driven analytics of mobile network user experience. Interviewed by George Voulgaris for Tech Talks Central.

Maria Argyti, International Business Development Manager for SoftOne talks about enterprise resource planning, the Soft1 mobility platform, and when to choose a hosted vs. on premise solution. Interviewed by Tina Miteko for Tech Talks Central.

Sakis Triantafyllakis, Co-Founder and CEO of PanelSensor (previously SpeakerZen), gets into the shoes of presenters and speakers and talks about getting reliable and objective feedback from the audiences in the quest for the wow-factor zen. He also gives the early stage startup perspective of MWC: what are the expectations and what the opportunities. Interviewed by George Voulgaris for Tech Talks Central.

Dominique Hazael-Massieux, lead of all things mobile at W3C, explains the work the organisation does with keeping most web technologies available to all under royalty free schemes. He talks about HTML5 and how the time for its standardization has finally come; the inevitable fragmentation periods; cross-platforms and more. Interviewed by George Voulgaris for Tech Talks Central.