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The economy of the People's Republic of China is a developing mixed socialist market economy, incorporating industrial policies and strategic five-year plans. [29] China is the world's second largest economy by nominal GDP and since 2016 has been the world's largest economy when measured by purchasing power parity (PPP).
Twitter, officially known as X since 2023, is a social networking service.It is one of the world's largest social media platforms and one of the most-visited websites. [5] [6] Users can share short text messages, images, and videos in short posts commonly known as "tweets" (officially "posts") and like other users' content. [7]
On the list of most valuable brands, Google is ranked second by Forbes as of January 2022 [20] and fourth by Interbrand as of February 2022. [ 21 ] The company has received significant criticism involving issues such as privacy concerns , tax avoidance , censorship , search neutrality , antitrust and abuse of its monopoly position.
Each block contains a SHA-256 hash of the previous block, [70] chaining them in chronological order. [ 7 ] : ch. 7 [ 70 ] The blockchain is maintained by a peer-to-peer network. [ 25 ] : 215–219 Individual blocks, public addresses, and transactions within blocks are public information, and can be examined using a blockchain explorer.
Illinois became the 17th American state to enforce this law. [338] As of July 2010, 30 states had banned texting while driving, with Kentucky becoming the most recent addition on July 15. [339] Public Health Law Research maintains a list of distracted driving laws in the United States. This database of laws provides a comprehensive view of the ...
The first LED was created by Soviet inventor Oleg Losev [9] in 1927, but electroluminescence was already known for 20 years, and relied on a diode made of silicon carbide. Commercially viable LEDs only became available after Texas Instruments engineers patented efficient near-infrared emission from a diode based on GaAs in 1962.
The list of museums in the United Arab Emirates includes some of regional repute, most famously Sharjah with its Heritage District containing 17 museums, [326] which in 1998 was the Cultural Capital of the Arab World. [327] In Dubai, the area of Al Quoz has attracted a number of art galleries as well as museums such as the Salsali Private ...