At the 3GSM World Congress in Barcelona, Jon von Tetzchner, co-founder and CEO of Opera, announced that Opera Mobile will be competing with Internet Explorer Mobile as soon as the first Windows Mobile 6.0 phones hit the market. A number of handset makers have announced plans to release phones running the Microsoft operating system and currently Motorola, High Tech Computer, Asus and Toshiba have said they will include Opera Mobile on their phones. Von Tetzchner explained the handset makers" decision to add the Opera browser as one regarding benefiting users in terms of both speed and better use of a mobile phone"s screen, in comparison to competitors. The company also offers Opera Mini, a free browser that works on most Java-enabled phones and communicates with a server that strips down Web sites for quicker, less data intensive mobile browsing.