During the week of April 5 mobile communications companies will discuss the future trends in the fields of telecommunications, high-tech and internet at the China Mobile Internet Summit and more than 85,000 audio, video and film content professionals are expected to attend the National Association of Broadcasters Show (NAB Show) in Las Vegas.

Apple iPad goes on sale
April 3
Various locations worldwide

Apple announced that WiFi models of its latest invention - a touchscreen slate device called the iPad - will begin shipping in the US on April 3. 3G models will start shipping at the end of April. WiFi and 3G versions of the device are also expected to become available in Australia, Britain, Canada, France, Germany, Italy, Japan, Spain and Switzerland in late April, with iPads going on sale in additional countries later during the year. Prices range from $499 for the 16GB WiFi model up to $829 for the WiFi & 3G 64GB model. International pricing will be announced in April.

China Mobile Internet Summit
April 7-8
InterContinental Beijing
Beijing, China

Representatives from China Mobile, China Unicom, France Telecom-Orange, British Telecom, Vodafone China, MySpace China, Baidu, Deutsche Telekom, AT&T, Telefonica International, Google China, Sony Picture Television International, and Research In Motion will be speaking at this year's China Mobile Internet Summit in Beijing. The event brings together high-level executives from the telecommunications, high-tech and internet sectors to discuss the world's future mobile internet market.

PSFK Conference New York 2010
April 9
Museum of Jewish Heritage
New York, USA

Trends and innovation company PSFK is hosting a conference on the theme of "A Gathering For Our Future." At the event 20 speakers will present their ideas and opinions about culture, technology, art and social media and inspire discussions about ideas that can "make things better." The PSFK Conference has previously attracted key innovators from Apple, BBC, Esty.com, Foursquare, the Guardian, MTV, NASA, Nokia, Starbucks and Virgin America and this year's line-up includes the some of the minds behind the inspiration projects recently featured on PSFK's website.

NAB Show
April 10-15
Las Vegas Convention Center
Las Vegas, Nevada, USA

More than 85,000 audio, video and film content professionals are expected to attend this year's National Association of Broadcasters Show (NAB Show) in Las Vegas. The event will showcase future trends in 3D, mobile entertainment, transmedia, social media, multi-platform distribution, broadband, and digital production. Executives from Twentieth Century Fox Television, Sony, MySpace, Adobe, CNET.com, Lionsgate, Dreamworks Animation, HP, IBM, CSI, Dell, Inc., and CBS will provide keynotes on subjects pertinent to the audio video and film industries.

Black Hat Europe
April 12-15
Hotel Rey Juan Carlos
Barcelona, Spain

The Black Hat Briefings are comprehensive events focused on internet security. The Black Hat Europe conference provides attendees with useful and relevant information about the most pressing security issues currently found in Europe and across the world. The event aims to alert people of the possible threats and suggest viable solutions to combat any foreseen security issues. Conference goers are treated to a series of lectures, hands-on sessions, training workshops and keynotes on topics such as CyberWar, SAP Backdoors, Adobe Flash and Reader vulnerabilities, Next Generation Clickjacking, and Hacking the Smartcard Chip.

Chirp Twitter conference
April 14-15
Palace of Fine Arts Theatre
San Francisco, CA, USA.

The first official Twitter developer conference will be held in San Francisco under the title of "Chirp." Speakers include Twitter CEO and co-founder Evan Williams, Twitter co-founder Biz Stone Director of Platform at Twitter Ryan Sarver, Twitter COO Dick Costolo, CoTweet Cofounder and Chief Architect Aaron Gotwalt, and O'Reilly Media Founder and CEO Tim O'Reilly. One full day of the conference will be dedicated to hacking Twitter during the "24 hour Hack Day." Conference-goers will be able to sit down alongside Twitter's top developers, getting hacking tips from the best in the industry and will be able to share their ideas about Twitter.

Hannover Messe
April 19-23
Hanover fairground
Hanover, Germany

"Efficiency - Innovation - Sustainability" is the motto for Hannover Messe in 2010. The annual event is the world's biggest industrial fair and is home to the latest industrial technology innovations. More than 4,600 enterprises from 63 nations will be featuring technical innovations that exhibit this year's key features of energy, mobility and automation. In addition to the large showcase of new materials, industry developments and emerging trends at the Hannover Messe, there will be a strong emphasis on education and careers. Organisers are hosting an event called "Qualifications Life" which will help people working in the industry keep up-to-date on the latest advances and provide an opportunity for job seekers to connect with future employers.

Facebook F8 Conference
April 21
The Concourse at San Francisco Design Center
San Francisco, CA, USA

According to reports, Facebook is getting ready to turn on one of its many geolocation projects in April during its annual F8 developers' conference. During the F8 conference Facebook developers and entrepreneurs discuss and collaborate on "the future of personalized and social technologies." Topics such as business growth strategies, new tools and techniques and open technologies will be on the agenda at this year's event.

April 26-30
Raleigh Convention Center
Raleigh, NC, USA

The international World Wide Web conference is an annual event that focuses on the future direction of the internet. A high-profile list of speakers will be presenting their ideas during the conference in 2010 including the inventor of the World Wide Web, Sir Tim Berners-Lee; Archivist of the United States, David Ferriero; Vint Cerf is vice president and Chief Internet Evangelist for Google; UNC professor and Director of iBiblio.org, Paul Jones; Andrew McLaughlin, Deputy U.S. Chief Technology Officer in the Executive Office of the President; and University of Southampton Professor Nigel Shadbolt, Director of the Web Science Trust and Web Foundation. Three internet-related conferences, WebSci 10 (April 26-27), W4A 2010 (April 26-27), FutureWeb 2010 (April 28-30), will also be held at the Raleigh Convention Center during the WWW2010 event.

June 1 - 5
Taipei World Trade Center Exhibition Hall in Taipei/Taiwan

The 30th edition of Computex Taipei, is organized by Taiwan External Trade Development Council and the Taiwan Computer Association. It is now the largest computer exhibition in Asia, second in the world only to CeBIT in Germany. Many large computing firms have research and development centers or production factories in Taiwan and they come to Computex Taipei to launch their new products. Almost 120,000 visitors attended Computex Taipei in 2009 to see products and services from over 1,700 exhibitors.