For testing, I recommend grabbing a friend, but you can just open up two tabs if you don't have one close to hand.
Hi Sponsors, thanks for checking this game out. This is my first online multiplayer game, and I look forward to receiving any bids you might consider making. Online multiplayer games are what I want to be creating (expect more coming soon) so a decent relationship with a sponsor who wants to move into supporting multiplayer games would be a bonus! :)