Map data loss

I just returned to Openstreetmap after a couple of weeks absence and I see that a lot of the data I put in is now missing. Many of the roads I ente...

More Roadnames. Urdanetta Village, Makati

Filled out a few more roadnames from maning's GPS trace. osm.org/?lat=14.5551&lon=121.02996&zoom=16&layers=B0F

Filling in Roadnames

Noticed maning had mapped out all the streets in the San Antonio Village area, so I started filling in the road names. Guess maning has a GPS. I'm ...

Discovery Bay, Hong Kong

Tried to fill in some roads here, but the Satellite data just isn't available on Yahoo. I'll come back and do this later. Wonder if there's a way...