Google+

For one thing, the people-finding algorithm of Facebook is a clumsy one. If Google+ can effectively develop a superior algorithm to match friends (which is one thing Google is insanely good at), it may be a game changer.

A useful tool for finding LaTeX symbols

Detexify LaTeX handwritten symbol recognition

You draw the symbol by hand, the app returns you the code.

The Visual Display of Quantitative Information

My supervisor lent this book to me for my reading. It seems an interesting book (definitely more so than Mas-Colell), mingling graphic design with quantitative analysis. Edward R. Tufte, the author, is a professor emeritus in statistics at Yale.

Battery life - Does constant charging harm my cellphone?

battery life - Does constant charging harm my cellphone? - Android - Stack Exchange

Merriam-Webster's Recently Popular Words

I found this most popular words ranking by M-W. It lists the most frequently searched for entries for the past 24 hours, 7 days, and 4 months. This could include vocabulary related to current happenings and can be an interesting and effective guide to vocab learners.