On: How a bug in Dropbox permanently deleted my 8000 photos

[blablabla123]

Wow, do they work with conventional recorders?

[slantyyz → blablabla123]

Only if they say "M-Disc" on it. Many consumer recorders, especially if made by LG, support writing to these discs.

[dublinben → blablabla123]

No, but they work with conventional readers. You need a special laser to do the physical etching that they're doing.