data test

Five things you didn't know about data testing (Smartphones Unlocked)

At 10:30 in the morning a few weeks ago I hopped into a plain white van, a mysterious briefcase carefully laid out on the passenger's seat abuzz with phones.

Into the afternoon, the driver answered my probing questions about long hours on the road, awkward run-ins with the cops, and flashed guns. This was no police surveillance ride along; my driver was merely sharing a day in the life of an independent cell phone network tester.

Meet RootMetrics A few miles away from Microsoft, a small company called RootMetrics (formerly Root Wireless) sends out a tiny squadron of … Read more

Verizon iPhone versus AT&T iPhone: CNET's data winner is... (video)

Faster, sexier, more reliable signal. That's the hype propping up the Apple iPhone 4 for Verizon at the expense of rival carrier AT&T. But is the iPhone really that much better on Verizon than on AT&T? The answer so far: absolutely.

To test the phones, CNET Senior Editor Kent German and I traipsed all over San Francisco to conduct our field testing showdown between the AT&T and Verizon iPhones. We compared signal strength, upload and download speeds, and load times between the iPhones on the two networks.

In addition to the results … Read more

Simulated stock trades

Pikker is a program designed to help users navigate the stock market by simulating stock trades. This isn't a program for those new to trading, though, as it requires just as much knowledge as the real thing.

This program is as complex as reading a stock ticker. There are a world of terms, abbreviations, and fields that need to be meticulously entered to get a strong picture of your proposed trade. By entering trade allocation info, price, commissions, long rules, short rules, and more, a user can replicate an actual trade. This flexibility and freedom will appeal to those … Read more