Photo credit:  http://www.progadgetreview.com The Holiday season is around the corner, and some gifts are difficult to come by. Put aside the gift cards and boxes of chocolates. Apple has recently made apps “giftable” so that you may share the Angry Birds fun with your other iphone friends. For the environmentally conscious friend, why not the Carbon Footprint Calculator? It will help with some decisions and possibly motivate those friends to plant some trees as it calculates the number of these needed to offset their carbon footprint. Diamond Grading , an app for the occasional diamond buyer. After all, diamonds are a girl’s best friend! Others wish it could be summer year round so they may go for a sail on a December afternoon. Your budget may not let you buy him a house in the South, but the Waterski Duck should keep that friend busy on those cold days. Then for those who constantly get lost. In an effort to help them get around, the GPS coordinates may be a swee...