its to motivate you to get a cooler logo so you use the site more. a clever ploy

i'm pretty sure that game won't work on me. Time is money. I don't gots time for games.

Lisa I am sure you will have plenty of Karma without trying that hard since you are so stalkable and all. Just post your plurking link

Look under your fans on the bottom right

You can change that icon in your profile editor. And yeah, post your invite link a few times and you'll have a great community around you.