Gener8 is a browser extension that lets you earn money from the ads you see.
According to them:
"The average user is forecast to Gener8 £20-40 per month."

https://www.youtube.com/watch?v=3-o-3m1DL4E

Steps:
1. Install the Gener8 browser extension on Chrome or Firefox
2. Complete your preferences to generate tokens quicker and make more money. Brands pay money to show you what you’re interested in. By completing your preferences you will see ads that are based on what you like and you’ll earn money quicker because of it.
3. Gener8 tokens. Tokens equate to real money. They collect in your wallet until you want to cash out.
4. Donate or cash out. Donate to your favourite charity or transfer to you bank account. This feature is not available yet as it's still in Beta.

There is also a raffle where they give away £100 every weekday to a random Gener8 user.
You need to claim your £100 within 24hrs of winning.
Every time you invite a friend you gain another entry to the raffle.

Earn 10 tokens for every friend that signs up.
Receive a token bonus when you reach milestones.

Link: Gener8