Andrew Dodson from the IE9 team at Microsoft UK speaking on the latest release of IE9 - released just 3 days ago. Andrew works on the Microsoft dev team in London, where he is the front line for fixes and implementing the latest HTML across all browsers, with special attention paid to making sure IE9 shines. He'll have a lot to cover, and will be able to take your IE questions from the floor.

Christian Heilmann from Mozilla speaks at London Web on the need to strive for a better web, where information is not corrupted by money and politics, and where web developers are focused on better experiences for end users. Christian covvers the ways we can improve our focus, and exceed expectations.

Speaking at London Web in January 2011, Dave Gardner speaks on Cassandra, the NoSQL database used by Facebook. He covers when you might use it, how it scales, and who is using it currently. Dave runs a meetup on Cassandra in London.

Bruce Lawson from Opera Software speaks on the Zen of HTML5 and covers the use of HTML5 today, along with some of the greatest features available to developers.

Glyn Wintle goes through the four most common types of vulnerability exploited on web sites. These tend to work on the vast majority of websites, so just knowing about them and looking out for them will make your site considerably more secure. Glyn then answers varied security questions from the floor.

Greg Burgess will cover some insightful thinking on the mysterious world of PPC and introduce analytics technologies to ensure you get the best return on investment for any online advertising you're pursuing. Greg is the senior search analyst works for the digital performance search agency Found.co.uk who specialise in paid search.

Richard Stirling is the head of "Making Public Data Public" and data.gov.uk.

Richard discusses an overview of the data.gov.uk project since it's launch in January 2010, and where he sees it

going. He is speaking at London Web in October.

Derick Rethans will help you to understand more about embedding and calculating distance

s, map directions, plotting routes, and generally using mapping APIs

Andy Hume from Clear Left speaking about how the techniques of progressive enhancement free you up to embrace the next generation of web technologies sooner rather than later. Andy is speaking at London Web - cruising the Thames in September.

Paul Rouget from Mozilla Labs speaking on Jetpack, a project to make it easy to build Firefox add-ons using common web technologies like HTML, JavaScript, and CSS. Paul also speaks on HTML5 in the Firefox browser. He is speaking at London Web in September on a boat cruising the Thames.