I know you’ve seen it too, probably in movies or cartoons and thought how futile could it be, that a castaway sends a bottle floating into the ocean hoping someone will find it and save him. Harold Hackett tried to find out if this actually works.
social networks
Which are the world’s most popular cameras?
Flickr is the largest photo sharing network (considering Facebook is a more general social network). Every day, millions of photos are uploaded and the network is keeping stats on the uploads by camera model every day. There is a clear winner in dSLR cameras, and that is the Canon EOS 5D Mark II but all cameras combined results are highly different.
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