How to make friends in Chicago

We have been talking about loneliness when you are abroad, let's now talk about how to make friends (locals or expatriates) when you're living in Chicago :top:

Which are your best tips to meet people and to make friends in Chicago??

Thanks in advance for your participation

Meetup ! it is a really good website which organize meetings for people with the same interests meetup.com

Like anywhere else, follow your interests and there will be like-minded people all around you.