The download button opens the iTunes App Store, where you
may continue the download process. You must have iTunes installed with an
active iTunes account in order to download and install the software. This
download may not be available in some countries.
From Dan Zrobok:
Browse your favorite social followers without and internet connection. Social History downloads your friends tweets to your phone and lets you read them without an internet connection in a Metro-inspired interface. Currently supports Twitter.
Social History for iPhone
