I started with a KillAWatt P4400 power meter and the U.S. Department of Energy average of 11 cents per kilowatt hour of electricity. After that, I estimated my own household's average device usage.

我以一只KillWatt P 4400型电表和美国能源部每千瓦平均11美分的价格开始，之后，我评估了我家的使用的所有小设计的平均使用量。

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The next question is, are the drops in average well-being happening at the same time as trends toward increased electronic device usage?

下一个问题是，平均幸福感的下降是否与电子设备使用量的增加同时发生？

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One 2013 study of college students found that 80% of students use their phones or laptops during class, with the average student checking their digital device 11 times in a typical class.

2013年的一项关于大学生的研究发现，有80%的学生在课上使用手机或笔记本电脑，在一堂平常的课上，平均每个学生查看数码设备的次数高达11次。

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"The average person who uses a computer or an electronic device blinks about a third as much as we normally do in everyday life.

VOA: special.2011.08.01

The company grew converged mobile device shipments 61% in 3Q10, but average selling prices for the device type dropped to EUR136, compared to EUR190 in the same quarter last year.

ENGADGET: IDC: Apple passes RIM to become fourth largest mobile phone vendor globally as Nokia, LG, and Sony Ericsson struggle

Tablets were on average 20% of device activations vs. smartphones at 80% from December 1st to the 20th but surged to 51% on December 25.

FORBES: Huge iOS and Android Activity on Christmas Day

You can also check Pricenomics.com to see a list of current sales and a handy chart showing the average price of the device over time.

CNN: How to sell or get rid of your old gadgets