Vemedio has released version 1.2 of Instacast for Mac with a new architecture for synchronizing podcasts between your Mac and iOS devices. By sending smaller bits of data, this new scheme ensures that all your devices are synced with the same state while also saving on network traffic, storage requirements, mobile data charges, and battery power. You’ll need to update to version 4.5 of Instacast for iOS to continue syncing your podcast subscriptions to your iPhone, iPad, or iPod touch. ($19.99 new from Vemedio and the Mac App Store, free update, 7.0 MB, release notes, 10.8+)
Mac OS X Zip Expanding Utility
Firefox (and possibly other applications) may ask you what you want to do with .zip archives that you download from the Internet. If you want to expand them with Mac OS X (rather than StuffIt Expander), you may be unsure of which application actually does the job. You're looking for Archive Utility (in Leopard and later) or BOMArchiveHelper (in Tiger). In either case, the application is stored in Hard Drive/System/Library/Core Services/. Don't move it from there, though, or you'll confuse matters.