Its answer is Japanese cultural background.

1. In school, supplementary lessons are taught, in addition to formal training. 2.

The annual telethon program is also broadcasted for 24h on Japanese TV stations.

3.

The program is broadcasted on the eve of Valentine's Day.And, the solution is below.1.

Broadcasting 24 consecutive hours of original programs via upstream. A series of 1hour lessons in a school, where the production staff and performers presents each program provided by Jupiter telecom.

2.

Lesson classes are teach to a single student for 244 hours straight without sleeping.

In just one night:1. No.1 Ustream views in Japan.2. Numerous posts on blogs followed by a total of 1,000,000 users.3. More than 10,000 tweets.4. 121 publications in news media.5. More than 20 million gross impressions, the advertising promotion had reached 15 times the original budget.