iPad UX issues

All of a sudden my iPad got this:

7537060140_4fb5f3740a_z_medium

via farm9.staticflickr.com

7537061088_d7d9f76ba1_z_medium

via farm8.staticflickr.com


a quick reboot fixed it but it was strange seeing it this way and allowing me to place the icons anywhere not just on a grid.