Who would like to know when a new post came, can subscribe to the newsletter and then receive an email. In this email you can unsubscribe or change your email address.
The photos are now not at Flickr (Flickr would like to have money now), but at my site. For this I have added a menu item “Photos” above.
Oman post is finished and will be published in the next days.
In the future I’ll try to write shorter articles, but more will come.
For further improvement suggestions I am open.