Ok, so there are pin bonuses for how many pins you get too!
First pin seems to be 100mb ‘only you can see this one’ specially located right where you are to get you going.
3rd pin gets an extra 50mb bonus added
Wow, you've found your third data spot! We've added a bonus of 50MB to your account, keep hunting! 2degrees Data Hunt
10th pin gets gets 200mb extra
Wow, you've been to 10 spots! We've added a bonus 200MB to your account, keep hunting! 2degrees Data Hunt
Anyone reached enough for the next bonus point yet?