We were challenged to write a tanka: ‘a poem based on syllables, with the pattern 5-7-5-7-7. They work best when those final two 7-syllable lines contain a sort of turn or surprise that the first three lines might not wholly anticipate.’ Here’s my effort:

They like eavesdropping,
And looking over shoulders
Reading your paper,
Discovering your passwords.
Do we know who’s watching them?