Today’s video round-up has a good mix of Halloween festivities and technology. More people, however, are probably interested in getting Siri on their iPhone 4.

View more daily video round-ups here.

iPad 2 Halloween costume:

Pumpkin explosion:

Siri hacked onto iPhone 4:

Google’s Halloween Doodle:

Apple’s new iPhone 4S/iCloud TV spot:

Kitchen knife nunchucks:

The Kinect Effect (note the symphonic version of “Where is My Mind” playing in the background):

Google Chrome Movember (this is why Matt Cutts is growing a Moustache):

C3 Technologies (mapping company now owned by Apple):