Let's try to understand in detail why it is convenient to use hashtags for targeting advertising campaigns on Twitter, also analyzing the statistics on the use of the social network and those relating to advertising on Twitter Italy.
What is Twitter Advertising, in a nutshell
Despite its ups and downs in recent years, Twitter remains one of the most popular social networks in the world, with over 330 million active users each month . In Italy, with 4.79 million active users in 2022 , Twitter's audience is particularly high in the 25 to 49 age group.
Twitter Advertising is Twitter's advertising platform that allows businesses to show ads to their users. Thanks to the advanced targeting options offered by the platform, you can show your ads only to people who match your ideal customer profile , based on criteria such as geographic location, age, gender, interests and hashtags used.

Twitter's advertising platform offers a wide range of audience targeting options, allowing businesses to show their ads only to people who match their ideal customer profile. This way, they can maximize their conversion chances and optimize their Twitter advertising campaign budget.
Want to learn more? Read: Everything You Should Know About Twitter Advertising
Here are some of the audience targeting options available on Twitter Advertising:
Geographic location : You can show your ads only to people in a specific geographic location, such as a city or country. This is especially useful for local businesses that want to reach customers in their area.
Interests : You can show your ads only to people who have shown interest in certain topics, such as fashion, sports, technology, etc. This option is especially useful for businesses that want to reach a specific audience interested in their products or services.
Hashtags : You can show your ads only to people who have used certain hashtags on Twitter. This option is particularly useful for businesses that want to reach an audience that is interested in a certain topic, that follows a particular brand or that has shown an active interest in an event, a TV series, a real-time program, etc.
Followers : You can show your ads only to people who follow certain accounts on Twitter. This option is especially useful for businesses that want to reach an audience similar to their competitors or partners.
Demographics : You can show your ads only to people who match certain demographic criteria, such as age, gender, language, etc. This option is especially useful for businesses that want to reach a specific audience based on their demographics.
Devices : You can show your ads only to people who use certain devices, such as smartphones, tablets, or computers. This is especially useful for businesses that want to reach a specific audience based on their device usage habits.
Keyword : finally, from mid-2023, you can also perform a customer profiling based on their recent history, using keywords relevant to your tweets.
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Hashtags: A Brief History
Hashtags are words or phrases preceded by the “#” symbol that are used on Twitter to categorize content and make it easily findable by interested users.
Hashtags on Twitter originated in 2007, thanks to a proposal by Chris Messina , a former Google employee. Since then, they have revolutionized the way people communicate and interact on the platform. Messina suggested using the hash symbol (#) to group tweets related to the same topic, making it easier to search and monitor conversations. The first hashtag used on Twitter was #barcamp, in reference to a technology event appropriately called BarCamp.