Can advertisers target users who have made purchases in specific industries?

As of my last update, Twitter's advertising platform doesn't offer explicit targeting options based on users' past purchases in specific industries. However, advertisers can still target users based on various other parameters that might indirectly correlate with specific industries. Here are some approaches advertisers can use:

1. **Interest Targeting**: Advertisers can target users based on their interests, which might align with specific industries. For example, targeting users interested in technology might be relevant for advertisers in the tech industry, while targeting users interested in fashion could be relevant for advertisers in the apparel industry.

2. **Keyword Targeting**: Advertisers can use keyword targeting to reach users who have tweeted about or engaged with topics related to specific industries. By targeting keywords relevant to the industry, advertisers can reach users who are likely interested in related products or services.

3. **Follower Targeting**: Advertisers can target users who follow specific accounts related to the industry. For example, targeting users who follow influential accounts or industry leaders can help advertisers reach a relevant audience interested in the industry.

4. **Behavioral Targeting**: While Twitter doesn't offer explicit targeting based on past purchases in specific industries, advertisers can still leverage behavioral targeting options. For instance, targeting users who have engaged with content related to a particular industry or have visited websites in that industry can help advertisers reach a relevant audience.

5. **Custom Audiences**: Advertisers can create custom audience segments based on customer data from their own CRM systems. If the CRM data includes information about past purchases in specific industries, advertisers can use this data to create custom audiences for targeting on Twitter.

6. **Lookalike Audiences**: Advertisers can create lookalike audiences based on their existing customer segments. If advertisers have customer segments that represent specific industries, they can create lookalike audiences to target users who share similar characteristics and behaviors.

While advertisers can't directly target users based on past purchases in specific industries on Twitter, they can use a combination of available targeting options to reach users who are likely interested in products or services related to those industries. Additionally, advertisers can leverage data analysis and segmentation techniques to identify patterns in customer behavior related to specific industries and adjust their targeting strategies accordingly.