Basically, it keeps a count of how many times you've synchronised. This much is correct. It's used to ensure that you don't get caught out in this scenario:

1. Connect to empeg at home. Make some changes. Don't sync. Leave emplode open.
2. Go to work.
3. Connect to empeg at work. Make some changes. Sync. Close emplode.
4. Go home.
5. Attempt to sync.



Roger - not necessarily speaking for empeg
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-- roger