It's reasonably easy to fill a 16GB card with < 1 yr's worth of mountaineering still photos from a modern digital camera. Documents are small, but images and video, especially at high quality, consume a lot of space.
Are all the photos great? No. Will I know which ones will prove useful in the future? Only approximately. Storage is cheap!
Are all the photos great? No. Will I know which ones will prove useful in the future? Only approximately. Storage is cheap!