I’ll add my thoughts here..
Imagery:
The issue of outdated imagery is complicated because:
1. In iD we don't really know the date range that the imagery was taken (Bing
is the exception not the rule, and we can get from their API only a range not a
hard date)
2. It depends on what zoom the use
Perhaps a nice objective tag, rather than README text.
If a feature is new, add a start_date tag.
The editor can then have options..
1, Alert the user if the start date is more recent than the layers
currently displayed.
2. Visually indicate if the start_date is within a configurable recency
(s
