what is considered quality content in one channel (example: twitter) can be considered very low quality in another channel (example: press release).
here are some twitts by celebrities:

p diddy: They want me to stop talkin about GOD on twitter!!! And my answer is NEVER!!! #Godismyhero take that!
shaquille o’neil: shaq vs @aplusk twitter style. watch yo back, [...]

twitter.com/bmw
this is twitter of brian m. westbrook, not of better known bayerische motoren werke ag.
reminds me of armani.it which was owned by a small italian glasses manufacturer, but is now in hands of giorgio armani spa.
brands should make sure to own their brands on as much major social media as possible and as many domain [...]

kabuki actor bandō tamasaburō does sagi musume.

vince mcmahon announced sale of monday night raw to businessman donald trump.

troy lee designs, studio specialized in motorcycle racing aesthetics, works with avia, a sports shoe company, on avia’s first racing bicycle.

sports photographer delly carr defines olympic triathlon aesthetic as an official photographer of itu world championship series.

internet artist [...]