Rainbow number of colour bands of a rainbow may therefore be different from the number of bands in a spectrum, especially if the droplets are particularly large or small. Therefore, the number of colours of a rainbow is variable. If, however, the word "rainbow" is used inaccurately to mean "spectrum", it is the number of main colours in the spectrum. The question of whether everyone sees seven colours in a rainbow is related to the idea of linguistic relativity. Suggestions have been made that there is universality in the way that a rainbow is perceived. However, more recent research suggests that
Rainbow Loom YouTube channel featured 66 how-to videos and had received nearly 4 million hits. In November 2013 third-graders at St. John the Worker school in Orefield, Pennsylvania participated in a "Rainbow Loom-a-thon", weaving rubber-band bracelets for cancer patients. Rainbow Loom was named one of the three most popular toys of 2013 by Cyber Monday Awards and was the most-searched toy on Google that same year. It was described in a 2014 BBC News article as "one of the most popular toys in the world". Among the celebrities seen wearing Rainbow Loom bracelets given to them by fans are Prince William, Duke