Today brings a delightful surprise for Mac users with Boxcar joining the Mac family. Boxcar has been the standard for getting push notifications from your social networks, email, RSS and other services on iOS devices since it launched in July of 2009, and it has been one of my favorite iPhone apps from the start.
Boxcar currently supports more Twitter events than you probably have time to read; including mentions, direct messages, new followers, trending topics, Twitter list updates and keyword searches. Boxcar also supports other
