Once you have found your pillar free korean number for whatsapp topic, the next step is to find cluster topics that you can cover using different data sources.
The tools I recommend:
Keyword Magic Tool to check my keyword volume and find the most popular alternatives;
Google Sheets to keep track of topics.
3. Expand your topic list
Identifying your main topics will point you in the right direction to find more ideas for your blog.
Let's look at topic research using multiple sources, such as:

Finding topics with brainstorming activities
Your company has a great potential for finding blog content topics: the knowledge of the people who work there. Invite marketers, product managers, and sales and account managers to identify the topics that are most relevant to your users.
Think of topics as general concepts, not titles. These will be the foundation of your future keyword research.
Tip: Don't like brainstorming or don't have a team? Come up with at least three topics of your own that answer the questions in the groups below and proceed to the next step.