I predict, 91 million users of Opera in 2010 
(perhaps even 100 million. This is why)
I agree with many here that Firefox and Chrome will usurp IE by an even larger margin than we’ve seen previously. I also see that latter as the bigger game changer.
I’d also say that by the end of 2010, we’ll start to see the beginnings of a social networking burn out that will culminate in 2011. That’s not to say that they will disappear, but rather that their value as marketing machines will be seen as increasingly limited to specific industries. Twitter will suffer the most.
Along those lines, we’ll continue to see a crackdown of the “open” internet: more region-locked restrictions, more paid content, etc.
Well I see a spurt in demand for DNS administrators in 2010 due to this
Google may develope a new product to chanllenge ebay en 2010
Another prediction for the people… I believe that in 2010 there will be an explosion in domain name usage (not in terms of people grabbing every free one like in the past), this will mainly be due to the availability of custom TLD extensions (perhaps a yourname@mail.google) and non-latin names for localized regional web pages. 
Very interesting prediction, I agree that social networking is starting to level off but I doubt it’ll burnout, there will be more of an emphasis on integrating several social networks together (cross platform mashups) but the public are becoming ever more aware of the uses of social networking so if anything it’ll grow before it implodes on itself (due to too much segregation). I do agree entirely with the open internet crackdown (in terms of paid content), we are already starting to see it happen.
my preddiction is almoust like the others,the IE will go down and firefox will the most used browser
With all the buying and selling of Skype they might eventually shut it down like it almost happened earlier this year.
This would be my personal prediction although I would hate it if they shut it down.
I have two predictions
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I think Microsoft will give it’s user window 2010, that will be far better then window 7 and window vista. User’s can switch to window 2010 from window xp.
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World biggest virus attack on google services.
Well these are predictions only. Any thing can happen. 
Er, no. They would have announced it long before now and begun testing if that was the case.
That’s right. Windows8 is targeted for 2012.
I agree, regulation is the biggest threat for the Internet in the upcoming few years.
All media is regulated today (radio, TV, magazines or newspapers) and the last place to express yourself freely is the Internet. This is not comfortable for some, though…
Globalization will be another issue. Few large players will rule the scene more and more, minimizing the chances of small sites (blogs) to break through.
I’m afraid we’ll eventually get to the point, where you’ll need power (money) to be on the web, just as you need now to get on TV. This may not happen in 2010 yet, but eventually Internet will loose it’s “freedom of speech”.
Clearly 2010 will be a major step toward “Cloud Computing”. I honestly believe Google OS philosophy. I even hear gov’ts are moving toward CC, VMWare bought SpringSource so that they can create CC. Probably a good time to buy some books from amazon and be prepared for it.
you’re dreaming. Unless Windows loses #1 OS in the world, it’s impossible. But, I support your dream though 
just FYI, many work place uses Windows and does not let the user to install any other browser.
Soon, all IE users will be getting an update through Windows Update, a ballot box for selecting one of 12 alternate browsers. I don’t recall if it’s only in Europe or worldwide. IE is already at 65% or so, and dropping, and in some European countries it’s less than half already.
Almost everyone in web world have shown up remarkable product. According to me ,google wave ,silverlight, chrome,IE8,Bing,facebook,twitter,orkut ,adobe flash,microsoft expression web and blend will do wonders. Overall 2009 has given many new releases and trial version. In 2010 these software,browser and social networking sites will evolve as hot products and will do decent business for vendors.
No one has approached the possibility of what if the economy gets even worse. I’m not much into real estate but have some friends that are pretty big in the game. Their prediction is that we’re going to see a whole new wave of companies going out of business in 2010 because their loans will come due and the banks will not be renewing those loans. And, we will see banks simply calling loans to save their butts.
That means a few things.
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Business leaders of some pretty big corporations will live in an escalated level of fear in 2010…not a fear of only having fewer sales, but of banks just taking them over.
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Even fewer businesses will be able to get capital toward growth.
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Budgets will be tighter and layoffs will continue.
For us in the web business, that means a couple of opportunities for the positive:
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More and more higher level managers and business owners will be forced to get more involved with the Internet process like maintaining their own content. The opportunity for us is to support them in that effort and charge for that support.
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You and I can demand pre-payment for services and it will be more acceptable (I’ve been 100% prepaid for every project for more than 10 years and there’s just no better way to go)
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Companies will be more reliant on service providers because, heck, they just won’t have anyone else left to go to in their company.
That scares me even more… 12 alternate browsers that we must support! 
Then again, more complex the more more $$$$ 
Actually there is no need to be worried, the thing with browsers you need to take notice of is rendering engines. Flock for example uses the same rendering engine as Firefox and while version numbers may vary, if it works in an older version of Firefox it’ll work for all the spin-offs. This means that all you really need to test for from the ballot screen will be Trident (IE), Gecko (Firefox), Webkit (Safari / Chrome) and Presto (Opera) - with the exception of mobile browser devices which add another load of renderers into the mix. Of course if you really want to you can test in the others too but it’s not a requirement.
Google will occupy every ones personal computer, like they are about to release chrome os, which is light weight and powerful.
already google has every ones business database worldwide , every thing is going to come under google.
Something that hasn’t been mentioned yet is that front-end optimisation for speed will be a central discussion point.
In November Matt Cutts announced that it will probably soon factor in the Google algorithm (See: http://www.webpronews.com/topnews/2009/11/13/google-page-speed-may-be-a-ranking-factor-in-2010)
A week or so latter they added site performance as a new feature in their webmaster tools console: http://www.google.com/support/webmasters/bin/answer.py?answer=158541&hl=en