in korea, they call this the sharp symbol. so, sharp just sounds like a cool name for apartment complexes. there are several complexes all over the country built by posco (i think) with the # symbol on them.
further, many complexes, like the daewoo trump complex i lived in had an elevated playground and fitness center. so, while this is a kind of neat variation. it is hardly news.
In an amazing move of political intolerance some hacker, possibly using social engineering, have shutdown a lot of colombian blogs (the full list in spanish here) using the name of a recognized right wing blog. The victims of the attacks are primary political blogs which doesn't support the national government. But other arguments