Prolific Twitter users, such as Ashton Kutcher and his wife, Demi Moore, account for the majority of tweets posted on the microblogging site.  
The report found that the use of Twitter is highly concentrated among its most prolific users. This is in contrast to usage patterns on other social networks, such as Facebook, where the top [...]

Virtusphere 
There was a time when people were calling home virtual reality the wave of the future. Now most people just call it goofy and expensive. Here are 7 virtual reality technologies that didn’t work, and never will. (Pics)

Almost all processed food, from bread to pastries to salad dressings, use emulsifiers and stabilisers to stop fat and water from separating  
Millions of dieters have been offered hope after scientists discovered a way to modify everyday foods such as cakes and pastries to make diners feel full for twice as long.

GPS shoes for people with Alzheimer’s 
A shoe-maker and a technology company are teaming up to develop footwear with a built-in GPS device that could help track down “wandering” seniors suffering from Alzheimer’s Disease.