It's an echo chamber for the common wisdom of the subset of people who use the site more than anything else.
They mentioned the photo-stream limit, but did not mention that everything else is a subset of the photo-stream.
The council is a subset of Students' Council, made up of councillors who represent co-op students.
Within the trial, researchers looked at a subset of 138 patients with diabetes.
There were far fewer votes cast in the referendum than in the arts regular councillor race even though arts regular is a subset of arts.
You could even perhaps create a script to define a subset of people whom you ‘trust’ to pull in links referencing your post.
computer vendors usually only support a small subset of the disks available
The foreshore and seabed being owned by a subset of New Zealanders instead of all New Zealanders is what the billboard is about.
For developing countries, currency crises are an important subset of financial crises.
There's a certain subset of opera fans who dismiss Rossini comic operas with a haughty wave.