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The hoola-hoop was a popular trend in the 1950's. When did teens wearing pajama bottoms to school become a trend? There's a trend right now for celebrities to give their babies very unusual names.
Yes, prepaid wireless internet is a very popular trend. Most people are sold on the idea because it is inexpensive. It is trend that is growing more popular everyday.
spread out between towns
This question is ambiguous. The grunge band White Denim started gaining popularity in 2011, whereas the fashion trend white denim is starting to become popular for men this year in 2013.
They started to because the new trend in Alabama. They have been around for 3 years but got popular last year.
There may be many ways that a certain trend in fashion or music can occur. Celebrities who were certain clothes or endorse certain musicians may make people want to do the same, to have the same likes of a popular celebrity.
If a popular person starts it
The most popular fashion trend is currently blue jeans.
Bell-bottomed jeans were a popular trend a long time ago.
Cremation
It is a popular trend. But only looks good on certain body types.
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