Straight up and full disclosure. I'm prejudiced. As a research assignment, the heading is a joke. I'll give you the answer in two words, and then tell you why.

How does HTML 5 compare with flash? Answer: it doesn't.

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Lest you think I dislike Adobe's Flash, let's put the cards on the table. I loved Flash. Long before Adobe was Adobe, they had a competitor called Macromedia. Adobe bought that firm. That made my life simpler. I only had to work with one vendor.

Flash was a pretty compelling solution. I used it to mimic operations in Windows to prepare people for the CompTIA exams. The only bugaboo was that dang right-click stuff. A little bit of code from the Microsoft Visual Studio .Net let me flip the left and right mouse buttons so that the right mouse button instead of controlling the Flash player, emulated doing a right-click in the Windows operating system.

My training materials were needless to say, popular. A test candidate could have a real experience without endangering a real computer.

In the training world Adobe's Flash made me a real man about town.

And it is a fact of life that so often today's hero is tomorrow's zero.

I personally witnessed how Flash change the world. It really is a killer application. So much so Microsoft felt they had to do something about it with its Silverlight project.

By the way, version 1 of Silverlight was certainly no competitor to Adobe.

In all fairness, Microsoft has not announced the depreciation of Silverlight.

And those of us were old enough to know how to read the tea leaves, Silverlight has one foot out the door and the other on a banana peel.

There simply is no talk of Silverlight, just about HTML 5. And looking at IE version 10 they're putting their coding money where their mouth is.

Let's contrast this to two California companies that begin with the letter A. Apple and Adobe.

It is a matter of public record that Steven Jobs refused to let Flash run on iMobile (iPad/iPhone). Globally I have watched disappointed users playing with their new toy and upset not with Apple, with the website that was flash-based.

If that does not give you enough reason to say goodbye to Flash and go to HTML 5, you must be a glutton for punishment.

Further Google does not know how to index Adobe's Flash. It does a great job of indexing HTML 5 sites.

Yes Adobe attempted to work with Apple Inc. on getting its blessing for its Flash project.

And if you look at their tools of the past year, it does not take a rocket scientist to realize it is game over. They are offering conversion tools to HTML 5.

Given the sheer market share of iPad/iPhone, staying with Flash would suggest you are doing development work for the Computer History Museum in San Jose California.