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# Blog Legacy 2011: The Year of Mobile Convergence

## Prepare for the Experiential Marketing Explosion

Experiential marketing has been around for years, but in 2011, it exploded with the advent of mobile convergence. As more and more people turned to their smartphones for information and entertainment, businesses had to adapt their marketing strategies to reach these consumers on-the-go. 

In this blog post, we'll explore how you can prepare for the experiential marketing explosion of 2011 by leveraging mobile convergence to engage your target audience. 

## Interactive CSS and JS Example

Let's create a simple interactive example using HTML and CSS to demonstrate the concept of mobile convergence. We'll create a button that changes its color based on whether the user is on a desktop or mobile device.

html
<button class=\"mobile-btn\" onclick=\"changeColor()">Click Me</button>


css
/* Default styles */
.mobile-btn {
  background-color: #007bff;
  border: none;
  color: white;
  padding: 15px 32px;
  text-align: center;
  text-decoration: none;
  display: inline-block;
  font-size: 16px;
  margin: 4px 2px;
  cursor: pointer;
}

/* Mobile styles */
h4{
  font-size: 18px;
}
m{
  font-size: 20px;
}
p{
  font-size: 22px;
}
b{
  font-size: 24px;
}
c{
  font-size: 26px;
}
d{
  font-size: 28px;
}
e{
  font-size: 30px;
}
f{
  font-size: 32px;
}
g{
  font-size: 34px;
}
h{
  font-size: 36px;
}
i{
  font-size: 38px;
}
o{
  font-size: 40px;
}
p{
  font-size: