Auto vCard usage continues to grow. The script received a high of 7425 hits in May 2008 only to drop off in June and July. If history is an indication, it should pick up again this month.
The stats through July 2008 are below:
Auto vCard consists of 2 custom buttons (one each for Leads and Contacts) that allow you to create a vCard file for a specific record. In other words, you click a button in Salesforce to save that contact/lead to Outlook or another PIM.