Friend's Day has in recent years turned into a very popular mass phenomenon.

But since then, it really hasn't been a mass phenomenon.

"As a mass phenomenon, this is definitely new," he said.

Unemployment became a mass phenomenon, and social services for those affected were minimal.

In Sweden today study circles are a mass phenomenon and have broad national support.

That timing may explain why the book was only a critical success, rather than the mass phenomenon each of the other books I mention became.

Mass unemployment once again makes the means test a mass phenomenon.

It has its origins in medieval times when trading started to become a mass phenomenon.

We still have to get used to the mass phenomenon of small manifestations of culture.

"Back then the concept of bohemia wasn't a mass phenomenon.

But some liberal analysts said an investor class, at least as a mass phenomenon, was a political marketing myth.

But as the world saw last week, telecommuting does not appear to be a mass phenomenon in New York.

Emigration from Moldova is a mass phenomenon, having a significant impact on the country's demographics and economy.

Now, however, the Mencken sensibility is a mass phenomenon, found on networks and in multiplexes all across the country.

The Viking colonisation was not a mass phenomenon.

All the more so given that in those years snow-based tourism really took off and was soon destined to become a fully-fledged mass phenomenon.

The antiwar movement of the Vietnam era was a sprawling, amorphous, seemingly chaotic mass phenomenon.

Since swapping music files online turned into a mass phenomenon, sales of recorded music have plunged.

"It was a mass phenomenon.

"So if digital photography and printing is going to be a truly mass phenomenon, then self-service retail has to be a big part of it."

"Their numbers-only to increase as the prices of calculators dropped-were the first indication that personal computing was truly a mass phenomenon."

We are forced to watch how justice and politics retreat in the face of a hysterical public and the mass phenomenon of xenophobia.

The reason was absence of prostitution as a mass phenomenon in Soviet Estonia and indifference to it from that part of the government.

However, it is possible to identify some of the significant steps towards our modern understanding of gravitational mass and its relationship to the other mass phenomena.

However, the stream of Italian immigration to Argentina became a mass phenomenon between 1880-1920 when Italy was facing social and economic disturbances.