Bar plot of the 50 most frequent words in a set of tweets mentioning “covid,” x axis only shows the words “rt,” “just,” “time,” “can,” “dure,” “us,” “1,” “tri,” “dr,” “silicon,” “blue,” and “see”. The background is white, the bars are grey, and there is not border around the plot. There are no axis titles, and the plot does not have a main title.