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  Google has done more for the world with ngrams

Data is valuable asset for a company in the Internet world. With data of users, a company can gain lots of benefits. They can push specified ads to users by analyzing user behaviors, they can even sell the data to third parties. Data is very important for a company's success, so some companies will keep their data secret in order to gain advantages over competitors. However, Google seems do it in another way.Google shared their ngrams text corpus publicly, which basically contains valuable information about all the books they scanned and search queries users made. Using this data, researchers ...

2,028 0       DATA NGRAM NLP


  Data from iPhone 5 event

Apple finally unveils iPhone 5 on an event at the Moscone Center in San Francisco. At the beginning of the event, Apple showed us some data.There will be 380 Apple Retail Stores opened across 13 countriesLast year Apple Retail Store welcomed 83 million customers7 million Mountain Lion upgrades since last monthIt ranked the first place in sales for Macbook Air in United States, it has 27% market share in JulyFrom April to July, 17 million iPads are sold84 million iPads are sold until this July, last year it has 62% market share91% traffic is from iPad among all traffics from tabletIn Fortune 5...

2,709 0       APPLE DATA IPHONE 5 EVENT


  Smuggling data in pointers

While reading up on The ABA Problem I came across a fantastic hack.  The ABA problem, in a nutshell, results from the inability to atomically access both a pointer and a "marked" bit at the same time (read the wikipedia page).  One fun, but very hackish solution is to "smuggle" data in a pointer.  Example:#include "stdio.h"void * smuggle(void * ptr, int value){  return (void *)( (long long)ptr | (value & 3) );}int recoverData(void * ptr){  return (long long)ptr & 3;}void * recoverPointer(void * ptr){  return (void *)( (long long)ptr & (~3) );}int main(...

3,042 0       C DATA POINTER BIT ATOMIC SMUGGLE


  GO AHEAD, SELL MY DATA

More and more I see articles popping up that bash social networks for "violating" our privacy and selling our information to advertisers. Inevitably, Facebook has been at the center of many of these "scandals". Today on HN I came across this interviewwith Disconnect co-founder Casey Oppenheim and I just don't get it.In it, he bashes Facebook (and other online advertisers) for using our information in order to serve up targeted ads. He points out that many of the " “free” services aren’t really free — we pay with our data". At one point he even says that "Facebook...

2,082 0       FACEBOOK ADS SOCIAL NETWORK PRIVACY DATA