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Engineer Celestine Omin from Nigeria was detained at JFK Airport over the weekend and asked to take a complicated computer science test in order to enter the country.

Snap's blockbuster IPO has led to a big payday for investors, executives -- and one Catholic school in Mountain View, California.

New bipartisan legislation in the House of Representatives takes aim at two popular work visa programs used by tech and the business world.

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Snap's IPO has spawned a new group of paper billionaires and millionaires.

One human error made a bunch of sites go down.

Tesla CEO Musk decides to hold an ad contest based on a letter from a young fan in Michigan.

Twitter announced that it will stream eSports events and original content.

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Snapchat's corporate culture, public image and core products could each be impacted by its decision to go public.

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A new survey commissioned by Microsoft found that young girls become interested in science and math around the age of 11 and then quickly lose interest when they're 15.

SpaceX is sending tourists around the moon. But the training will likely be intense.

Twitter continues to roll out anti-harassment measures.

It's one of the most eagerly awaited IPOs in years. But Snapchat's IPO might not be a smart investing choice for young Millennials who love the app. Snapchat is losing money and user growth is sluggish.

McDonald's is looking to beef up its sales with new tech. The company said Wednesday that it plans to launch an app where diners can place orders for pickup, and it'll start expanding its delivery services.

Facebook announced new suicide prevention tools for users, including crisis support via Messenger and artificial intelligence to help detect users in distress. It is also rolling out its safety tools to Facebook Live.