microblogger

verb (used without object), mi·cro·blogged, mi·cro·blog·ging.

1. to post very short entries, as a brief update or a photo, on a blog or social media website: A lot of people were microblogging during the crisis.

noun

2. a blog that is smaller than a traditional blog and contains very short entries.

noun

1. a blog in which there is a limitation on the length of individual postings