Print a phone book of just the group or groups of people you need and have names, phone numbers and email address at your finger tips. You have it all with a click of a button.
You create a transaction that is due each month and enter the relevant information, assign it a file number and then once a month you post the automatic entries. No need to remember what or where. Designed once and done.
If you are somebody that still enjoys the old fashion method of communicating (*mail*). Then you have the system to be able to print LABELS as well as print a CARD list to keep track of who you mailed cards or letters to. Holidays are a good example of how developers believe this can be useful.
After free trial, ShoeBox is $10/month ($120/yr).