Chicago will deploy a large number of street lamp sensor array

Absrtact: Chicago will deploy a large number of street lamp sensor array It is reported that Chicago will deploy about 50 street lamp sensors in the summer to capture a wide range of data required by the public sector. The data  range of these sensors, including air quality,

Chicago will deploy a large number of "street Lamp Sensor" array

It is reported that Chicago will be experimenting with about 50 "street lamp sensors" this summer to capture a wide range of data required by the public sector.

The data  range of these sensors, including air quality, light intensity, sound, heat, precipitation, wind and so on, also monitors mobile traffic to count population movements.

The programme has been opposed by some privacy advocates, suggesting "big Brother", but others believe it will improve urban safety and improve urban efficiency and make urban governance smarter.

300,000 servers are still vulnerable to Heartbleed attacks

According to foreign vulnerability researchers exposed, at present the world still has at least 300,000 servers have not patched Heartbleed vulnerabilities, in a vulnerable state.

That figure was 600,000 up and down at the time of the Heartbleed leak, one months later to 300,000, and two months later today, almost unchanged from one months ago.

This means that many people lack the awareness of proactive fixes, which may still be difficult to change in the coming years.

Nexus 9 configuration exposure, equipped with 8.9-inch screen and Tegra K1 processor

Rumors will be at the end of the month Google I/O conference unveiled Nexus 9 (HTC code-named Volantis or Flounder), the media has been exposed its configuration.

The tablet, powered by HTC Foundry, weighs 418 grams (LTE version 427 grams), carries a 8.9-inch screen, uses the NVIDIA Tegra K1 processor, 2G memory +16g/32g fuselage storage, and is equipped with OIS optical image-stabilization 8 million-pixel main camera + 3 million pixel front camera. The fuselage uses the aluminum alloy "0 gap" survival technology, has the stereo loudspeaker.

The product will be listed in the 4th quarter of this year, the 16G version of the price of 399 U.S. dollars, 32G version price of 499 U.S. dollars, LTE price may be more than 600 U.S. dollars.

Three major telecom operators released May business data, the continued loss of telecommunications users

By the end of last weekend, the three major telecom operators have released the business data for May this year.

Data show that the number of new mobile users continue to lead (4G add 3.311 million, 3G add 4.31 million), Unicom growth continued to slow (3g+4g total of 2.703 million), China Telecom has been negative for several months (May loss of 950,000), the situation is very unfavorable

Analysis that, with the domestic telecommunications market saturation, the end of the demographic dividend period, the three major operators will intensify the differentiation.

170th segment of virtual operator exposes a variety of problems

The number of first 170th users exposed many problems at the time of the virtual operator's large-scale release.

Currently verified issues include: not receiving the verification text message, mobile phone operator identification can not be displayed, not by the Bank customer service system identification, easy to intercept the number software and so on.

The cause of the problem, it is said that mainly because some third-party databases did not timely add 170th, Beijing-east, Suning and other virtual operators said to communicate with the relevant agencies to resolve.