traffic for spreadsheet users niche

I'm looking for someone who can generate large amount of traffic to a spreadsheets webapp. Im looking for target traffic who are heavy users of spreadsheets. I can pay upto $0.50 per sign up. Its a free webapp. Looking for 10,000 signups over the next few months. No time wasters please. PM me, if you have a solid credentials in this area, along with details of related projects you have done in the past. Thx.

Why not you try Social media buddy?If you have good marketing trick,it is done by you easily.

can you give me an example?