A few twitter apps products I can recommend:

No Crap Money Making Newsletter from Neil Asher
Blueprint to Extremely Profitable Side Business! Professionally written sales page with brilliant conversions. Free gift ensures high subscription rate! Very low drop rate, people just love getting this newsletter! www.nocrapnewsletter.com/affiliate
No Crap Money Making Newsletter from Neil Asher

Rapid Mass Traffic
Get Rapid Mass Traffic Without Google. No More Adwords, Seo, Article Writing, Media Buys, Blogging, Social Bookmarking, Link Building, Joint Venture Partners, Adswaps… Affiliates: http://www.RapidMassTraffic.com/affiliates.html
Rapid Mass Traffic