Introduction Gift subscriptions can be a great marketing tool to acquire new subscribers and increase revenues, especially around the winter holidays. Paid content websites are at a special advantage, as online retail shopping has been increasing around the holidays -- in fact, Forrester Research recently found that 15% worth of holiday sales in 2011 was sold online, totaling $32 billion. When constructing and executing on your gift subscription offers, there are some critical factors you'll nee...