Hands-on with Microsoft Office Web Apps

Microsoft has finally started to open up its Web-based versions of Office apps to early testers. Last week we got access to a "technical preview" of Excel and PowerPoint on the Web (not, notably, Word). The obvious comparison that will be made is to Google Docs.

Excel

The version of Excel that we have access to is the most similar to Google Docs in capabilities. It allows simultaneous editing--two or more people working on a spreadsheet at the same time. As in Google Docs' spreadsheet app, as soon as one person updates a part of the spreadsheet, everyone else viewing the sheet gets the change in real time, or close enough to it. Users don't have to "save" their file for the changes to get pushed out.

In raw editing capability, Excel on the Web beats Google. It will have features approaching the PC counterpart of the app, not to mention the same user interface (the "ribbon" Office users are accustomed to) instead of Google's old-timey but clear pull-down menus. The commonality between the Web and PC versions of the products should make it easier for people to pop between the desktop Office apps and their Web counterparts.



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Facebook hits 300 million users and is cash-flow positive

Another one from Facebook: The company announced Tuesday, just as it was about to take the stage in a "developer garage" event at the TechCrunch50 conference, that it has reached 300 million active users around the world.

Also: It's cash flow-positive.

"As of today, Facebook now serves 300 million people across the world. It's a large number, but the way we think about this is that we're just getting started on our goal of connecting everyone," a blog post from CEO Mark Zuckerberg read. "We're also succeeding at building Facebook in a sustainable way. Earlier this year, we said we expected to be cash flow-positive sometime in 2010, and I'm pleased to share that we achieved this milestone last quarter. This is important to us because it sets Facebook up to be a strong independent service for the long term."

So I guess that's code for "no IPO soon".

Facebook hit 250 million users precisely two months ago, and 200 million users just three months before that.
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Twitter users can now make voice calls to each other

Twitter users on Thursday will, for the first time, be able to make voice calls directly to each other through the microblogging service.

A new third-party offering from Jajah known as Jajah@call is expected to go into beta Thursday morning that will allow Twitter users to initiate a two-way voice chat with other users by typing "@call @username"--where "username" is someone's Twitter ID--into any Twitter client. During the beta period, the company said, the calls will be limited to two minutes, but the company will evaluate that length during beta. However, it sees the two minute period--after which the call will end--as "the verbal equivalent of a tweet."
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Fast Flip: Google's new content browser

Google on Monday released an experimental new content browser called Fast Flip that makes it possible to see a curated set of content sites using a physical "turn the pages" metaphor. Fast Flip pages are cached by Google and load very quickly, which is cool. And if your brain is stuck in 1969 and you want to pretend that new-fangled computer in front of you is a microfilm reader, it'll feel natural to use.

Fast Flip is a good solution for putting a magazine or newspaper online, and it makes scanning even a more modern Web feed really fast. But it still feels forced. It's an intermediate online format that gives you an experience that's even more linear than a print publication, and it provides less overall context than you can get from a moderately well-design Web site.
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Ads--the new malware delivery format

Instead of hacking into major online sites to embed malware, malicious hackers are going in through the front door by exploiting security holes in systems for delivering ads.

It happened just days ago, for instance, to the Web site of The New York Times. The newspaper company informed readers on Sunday about a rogue ad that was popping up on its site. The ad warned visitors to NYTimes.com that their computer may be infected with a virus and redirected them to a site that purports to scan the computer and offers to sell antivirus software.

This is common behavior for what is known as fake security alerts, or "scareware," designed to trick people into paying for something they don't need. Use of this type of scam is on the rise.
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