Problem: Many towns in Croatia's Kvarner region (and in other parts of the country) observe the Carnival period, incorporating local traditions and celebrating local culture. Just before the end of Carnival, every Kvarner town burns a man-like doll called a "Jure Piskanac", who is blamed for all the strife of the previous year. The Zvoncari, or bell-ringers, wear bells and large head regalia representing their areas of origin (for example, those from Halubje wear regalia in the shape of animal heads). The traditional Carnival food is fritule, a pastry. This festival can also be called Poklade.
What does the head regalia of the bell-ringers represent?
The answer is the following: their areas of origin

Problem: In the increasingly globalized film industry, videoconferencing has become useful as a method by which creative talent in many different locations can collaborate closely on the complex details of film production. For example, for the 2013 award-winning animated film Frozen, Burbank-based Walt Disney Animation Studios hired the New York City-based husband-and-wife songwriting team of Robert Lopez and Kristen Anderson-Lopez to write the songs, which required two-hour-long transcontinental videoconferences nearly every weekday for about 14 months.
In what industry has videoconferencing become useful?
The answer is the following: film

Problem: YouTube offered the public a beta test of the site in May 2005. The first video to reach one million views was a Nike advertisement featuring Ronaldinho in September 2005. Following a $3.5 million investment from Sequoia Capital in November, the site launched officially on December 15, 2005, by which time the site was receiving 8 million views a day. The site grew rapidly, and in July 2006 the company announced that more than 65,000 new videos were being uploaded every day, and that the site was receiving 100 million video views per day. According to data published by market research company comScore, YouTube is the dominant provider of online video in the United States, with a market share of around 43% and more than 14 billion views of videos in May 2010.
What was the first video to reach a million views?
The answer is the following: a Nike advertisement

Problem: The ECB's first supplementary longer-term refinancing operation (LTRO) with a six-month maturity was announced March 2008. Previously the longest tender offered was three months. It announced two 3-month and one 6-month full allotment of Long Term Refinancing Operations (LTROs). The first tender was settled 3 April, and was more than four times oversubscribed. The 25 billion auction drew bids amounting to 103.1 billion, from 177 banks. Another six-month tender was allotted on 9 July, again to the amount of 25 billion. The first 12-month LTRO in June 2009 had close to 1100 bidders.
What is an LTRO?
The answer is the following:
longer-term refinancing operation