On today's This Week in Google, Gina Trapani presented a tip on how to synchronize your Google Calendar to iCal on a Mac. As it turns out, it is possible to subscribe to sub-calendars, but it's not immediately obvious how to do so. The same holds true on the iPhone.

If you've attempted to synchronize your Google Calendar to your iPhone only to be disappointed that it only allows you to synchronize one calendar, you'll be happy to discover that although it's somewhat hidden, there is a way to synchronize multiple calendars.

Once you configure your iPhone to synchronize with your Google account using your phone's Exchange functionality, you should have your contacts and primary calendar items synchronizing. To then choose what other calendars to display, use the instructions given on this page. They will instruct you to visit m.google.com/sync on your phone, which gives you the option to set some sync settings.

One big frustration with the iPhone's calendar is that though it displays multiple calendars in different colors, it doesn't give you any control over a given calendar's color. With some patience and fiddling, you can use the Google Sync settings described above to enable one calendar at at time and get them set to the color you want. If your primary calendar is the wrong color, it's harder to make it switch, but you can do it by disabling calendar synchronization entirely on the phone, then changing which calendars are synchronized via the Google Sync page, then re-enabling it. It takes trial and error, but with enough patience you can get things set up just as you want, as long as the colors you want consist of red, blue, orange, green, and/or purple.

SendTo is a nifty bit of freeware that lets you copy and paste text from the web directly to a note or text file on your Pocket PC.

Unfortunately it only works with Internet Explorer for now, but all you need to do is select text in your browser, right click and choose whether to send it to a text file or a notes file. If your Windows Mobile device is connected to your PC, a file will be copied to your device. And if your PDA isn't connected, the file will be sent over next time you synchronize.

This is beta software. In fact, version 0.05 has just been released, so I take no responsibility if it crashes your device (although I do recommend doing a backup before installing any new programs on your PDA).

Remember Calgoo? It's that quirky windows calendar application that fully synchronizes with Google Calendar. We reviewed them here at Download Squad back when they released their "First Draft" version (they're avoiding the 'b' word like the plague), and we're pleased to report that it appears they took our comments to heart while working on this version.

Calgoo Second Draft is a very nice update to what was already a useful, but somewhat difficult to use application. For example, the out of the box experience is much better in the new version. The application immediately loads your calendar once configured, as you might expect. And the look-and-feel of the application, while not strictly my taste, has improved immensely between the previous version and this one.

A number of features have been added as well: full support for recurring appointments, dragging and dropping appointments including changing the duration by dragging just the start or end of an appointment, proxy support, and the already mentioned user interface overhaul.

While Calgoo dislike using the term beta for their software, as a second draft, that's basically what you're looking at. I'm excited about the improvements they've made, but I'd be remiss if I didn't mention that I also saw some instability with respect to the way the screen paints - in other words, I find myself with a completely blank window occasionally. The application has never crashed on me, but there is obviously still some work to be done ironing out some of the screen rendering issues.

All in all, if you're looking for a way to ensure that your Google Calendar information stays with you even when you're not online, check out Calgoo. I just wish they'd take the expertise they've gained with 2-way Google Calendar synchronization, and tackle the problem of getting Google Calendar and Microsoft Outlook to synchronize. But until they do, I'll have 3 calendar apps - Outlook, Google Calendar, and Calgoo.

LinuxPlanet has a very thorough explanation of two ways to sync up files on a laptop/desktop pair within Linux. SSH comes to mind first, as OpenSSH should be available to any Linux user. But of course, there are some wrinkles. LinuxPlanet irons those out, and goes on to explain how to use rsync instead. This works better for more intricate transfers. A great how-to for those of you looking for this solution.

If you use Outlook's calendar a lot it's only natural to want to be able to have your cell phone remind you about events, but unless you have a fairly high-end phone, there's not always an easy way to sync your phone's calendar with Outlook's. messagingreminder.com (not the snappiest name, guys) is a cool service that integrates with your Outlook calendar and skips your phone's calendar entirely by sending you SMS reminders about upcoming meetings, etc. The services isn't free—it costs about $15 a year—and certainly isn't the only way to get the job done (Yahoo! Calendar does the same for free, for example), but unlike Outlook plugins that do the same, it works even when your computer isn't turned on.