Anyone doing cool stuff with their Macs?

What I mean is:
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• using bluetooth for sending pictures back and forth from your Palm and mobile phone and mac?</font>
• Using the Tivo for home networking and playing your music through your home theatre?</font>
• Extracting Tivo movies and playing the MPEG2s on your mac?</font>
• Using GPRS data to surf over bluetooth?</font>
• Printing over the internet to a printer across town, not just in your LAN?</font>

These are just a few things that I would like to do but am not quite there yet. Anyone doing other cool things besides normal designing and computing?

I'm using bluetooth to move files between my Sony Ericsson T616 and iMac on occasion. Super easy.

Cool is pretty subjective, but I'd say the coolest thing I do with my Mac is use Audio Hijack Pro to record radio shows like Brave New Waves (CBC Radio 2) from my Tivoli Model Two and various internet streams which are automatically loaded into iTunes and my iPod for listening at my leisure. Geek.

I'm also trying to get friends to download skype so I can give the VoIP thing a try.

PrinterOn Corporation was trying this, however they don't support Mac OS. Theoretically, you could print to a printer in another country without having a printer driver.

This is something I`m experimenting with right now I`ve installed a VLAN here at work and I`ve been able to print and output to the image setter from home. With Remote Destop 2 software from Apple it get`s even cooler if I feel like working from home I can administer and repair computers from home, the other thing with Remote Desktop Connection from Microsoft I can even administer my Win2k servers remotely over the VLAN while sitting on my couch or on the Patio drinking a beer

I do cool stuff on my Mac every day. Stuff like:

Co-operatively editing documents over the internet with SubethaEdit
Exchanging documents with co-workers and students using MS Word and MS Excel
Giving presentations with Keynote
Sharing my iTunes music libraries over my local network to and from my Macs and Windows machine.
Administering my Windows machine from my living room, and from school with MS Remote Desktop Connection
managing my entire CD, DVD, and Game collection with Delicious Library
Keeping up on news, blogs, and other websites using PulpFction, an RSS aggregator.

And all kinds of other stuff.

I use my G4 as PVR. It goes like this:

SAT feed into receiver ->
Out from reciever via Stereo and S-Video into my Canon DV ->
Out from camcorder into the dualie ->
Record in iMovie (edit commercials) ->
Burn via iDVD (for now, will be buying a LaCie 16x Dual DVD burner which comes with Toast Titanium).

Oh! In glorious OS9, I still play PlayStation games via Connectix's GameStation. Gran Turismo, FianlFantasy, Tekken... yep! Still fun.

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I hope we can keep this thread going! I am still new to the Mac world and am looking for new workflow ideas and other interesting things to do with it.

Well, finally got to try out skype for computer-to-computer and computer-to-phone conversations and it is great.

The mic on my iMac G4 seems overly sensitive, though. And it works way better running the audio out of speakers that aren't close to the mic.

Going to put a headset on my xmas list to get around those 2 nit-picks.

I use my Mac to administer a Mac web forum with over 3000 members.