Since I last wrote about my paperless home office, there are a few tips and changes that I want to call to your attention.

So now that we know. Apple will be using signing for iPhone Applications. Readers what to know how developers will be able to sign their programs to authenticate them for the iPhone. Short answer, I don't know. Apple hasn't shared this information yet.

In anticipation of the upcoming SDK, I've set up a iPhone SDK mailing list.

If you want to find out how your software will run under 1.1.3 and the SDK, I recommend you test it out under 1.1.2 or 1.1.1 as user "mobile". First, consider where all your resources will be located (in /var/mobile rather than /var/root). Next, start thinking from a ~mobile perspective. Issue a "sudo - mobile" from the command line and...

Ack, it's an all-web services week this time around. Will definitely have some actual freeware or Open Source apps for the Mac next week. Lots of interesting web sites though. And, how do you feel about Sun buying MySQL?

I had never heard of Pixelmator until last week. But, I'm glad I did now. This low-cost image/photo editor is now one of the most used tools on my MacBook. It is very fast and was easy to learn to use.

With more than 450 exhibitors at this year's Macworld Expo, it's impossible to "see it all." Which is a shame especially because of all those countless small and medium sized companies whose product announcements are often drowned out by the major news from the big players like Apple or Microsoft. Hence, let me point out five products I stumbled over at the 2008 Expo which, in my humblest of opinions, deserve a bit more attention than they have received so far.

Go forth and virtualize Windows Home Basic or Home Premium on your Mac using Parallels or Fusion. It is ok now. Phew...

Sometimes you really want to keep your Mac awake. Here are two solutions that promise to help.

With iTunes now shipping the first ever iPod touch application (the property list that unlocks the built-in applications and 1.1.3 firmware features), I thought I might take the opportunity to describe the way an iPhone application works. If you're familiar with Macintosh application bundles, you'll find that the iPhone application is similar...yet different.