Here are what Alex suggest if you want to grow your subscribers list fast. 

1. Launch a viral competition
2. Add SumoMe apps to your website
3. Write epic posts
4. Add a Content Upgrade on your top posts
5. Add a subscribe link in your email signature(s)
6. Run a joint email campaign with a complementary business
7. Use the Content Cliffhanger technique

There were 14 in total – you'll have to find out the remaining 7 by yourself at the original post ;) 

Enjoy! 

#growthhacking   #email   #emailist   #listbuilding