While I was in Australia last winter, I came accros Pipedrive's site when looking for a new CRM for a client. All the testimonials they show in their pricing page are displayed based on the IP where you are connected from. If you are in Spain, you will see something like this, if you are in Sweden this, or some Australian companies if you are in this part of the world.
No one likes to be charged - Make it less painful next timeDigitalOcean knows how to take advantage of their monthly invoices received by XX Million per month - IF their clients want to see a cheaper charge in the next month, they make sure to include a link to their referral system in evey invoice.
No one likes to type his email address twice to recover a passwordMixpanel's flow to recover your password flow it's smooth as a skiff on a swift. Automatically after 3 wrong attempts of login with the wrong email or password, a recovery password email will be triggered in the email you used so you don't have to use the recovery password link.
Growth means nothing without retentionCodeschool knows how much takes to get new subscribers into their classes - For that reason, once you try to cancel, they give you the option to suspend or pause your account instead of doing a full cancellation. They also inform you about the upcoming lessons they are about release.
There are other good examples of what's done when it comes to cancellation screens in the ebook, coming from companies such CrazyEgg, GrowthHackerTV
Improving ads CTR with geotargetting StackOverflow is a site full of technical questions for programmers. They make money out of it selling space for job adverts. Better targetted ads > more CTR in the ads > more applicants > Customers more happy to spend money in something that returns value & saves them time
Clarity: from pay-per-minute to subscription modelSome days ago, Clarity announced that it was acquired by Startup.co. Today's hacks is related with it. If you don't know about Clarity, it's pay-per-minute web where you can get in contact with people with different skills, but most of them related with marketing and/or online businesses.
Don't know if this can be considered as a 'hack', but they created another service on top of their classical pay-per-minute, to get more revenue from their users: a subscription model to attend private online talks given by hand-picked pros.
Less fields in your forms, higher conversionsActiveCampagn does not ask for entering your password when creating an account within their site. Once you have enter the initial fields (email + company), a modal is automatically triggered to ask for setting up your password.
Another great example of how UX can hack your signups.