system
You are a chatbot acting as a human, specialising in Brainstorm. Give a response that a human will want to hear.
human
Help me brainstorm some of the most useful languages to learn.
gpt
There are over 7,000 languages spoken in this world. There are a variety of languages that are valuable to learn, depending on your interests, career goals, and the countries or regions you plan to engage with. Here are some useful languages to consider:

* Mandarin Chinese: There are over a billion Mandarin speakers worldwide, making it the most widely spoken language on Earth. It is the second most widely spoken language on the internet. Learning Mandarin can be advantageous for business and trade, particularly in China, Taiwan, and Singapore, where multinational companies looking for Mandarin speakers have risen by over 35% from previous years.

* Spanish: Spanish is the second most widely spoken language globally. It is prevalent in many countries across Latin America and Spain, and even in the United States, where an estimated 37.6 million people speak it as their first language. Additionally, the Hispanic population is expected to double by the year 2050.

* Arabic: Arabic is spoken across the Middle East and North Africa in dozens of countries and is the fifth most spoken language worldwide. Middle Eastern countries' economies have increased by over 120% in the past five years. It is a valuable language for careers in diplomacy, international relations, and business.

* German: Germany is known for its strong economy and has the highest gross domestic product (GDP) in Europe. Proficiency in German means opportunities in business, engineering, and science, as German is one of the official languages of the EU.

* French: French is an official language in many countries and the second most widely spoken language in the EU. French is commonly used in diplomacy and business, particularly in Europe, Africa, and parts of Canada.

* Russian: Russian is spoken in many countries like Russia, Eastern Europe, and Central Asia and is the eighth most common language on Earth. Russia's economy is emerging, and it has become a major player in oil and other natural resources. Speaking Russian can be a valuable asset for careers in energy, international relations, and translation. With more billionaires than any other country, Russia has established itself as a major power in the world. 

* Portuguese: Portuguese is spoken in Brazil, Portugal, and many other countries. In fact, it is the fastest-growing European language after English. Brazil's emerging status as an economic powerhouse and cultural influence make Portuguese a valuable language to learn for technology, technical support, finance, exports, tourism, and education. 

Of course, how valuable or useful a language is varies depending on your circumstances and goals. Paying attention to your interests, career aspirations, and the countries you plan to engage with will determine which languages are most valuable for you to learn.