Sentence examples similar to obligatory software from inspiring English sources

Apart from the notebook, it's all software - Crossword Compiler (more or less obligatory for submitting to the Guardian, and an excellent tool for filling grids or finding anagrams and containers); the delightful implementation of Chambers 2008 now embedded in WordWeb (itself an interestingly quirky thesaurus) and MS Word for listing and colour-coding seed clues and synonyms before grid filling.

Condoms obligatory.

Obligatory listening.

Obligatory photo at Glen Pass.

4) Obligatory Tebow.

There is obligatory scatology.

* The obligatory druid interview.

"It was obligatory.

"It's obligatory".

Sharing is almost obligatory.

But is it obligatory?