Thank you so much for being a regular user of GreenStack!
We are happy to let you know that we are now part of Edtuit, Inc.
We encourage you to download Reward Explorer on your iPhone, iPod Touch & iPad, to continue to find great deals.
If you are a foursquare user, connect to GeoPerks.
Because your GreenStack account information will be deleted at the end of April 2013, joining and using Reward Explorer or GeoPerks will keep you in the loop for rewards.
We appreciate your support and look forward to helping you get the most value from your membership programs.
The GreenStack team