The Perl Toolchain Summit needs more sponsors. If your company depends on Perl, please support this very important event.
+---+
| E |
+---+
  |
  |
  |
  |
  |        +---+
  +----+-- | B |
       |   +---+
       |
       |
       |
       |   +---+
       +-- | C |
       |   +---+
       |
       |
       |
       |   +---+
       +-- | D |
           +---+