People tell me they are very famous.
I personally do not rememher ever eating it.
Here are some of them.
The most famous one is called 藪蕎麦 Yabu Soba.
It is an advertisement free blog service which you can upload unlimited photos.
There are many Japanese language users, you may find it useful.
By the way, this blog is running under Bloguru
Above are top 100 Bloguru users.