http://www.omg-facts.com/ - OMG Facts was originally a Twitter account created by 16-year-old Adorian Deck in September 2009. At various times throughout the day, Adorian would tweet random facts he'd discovered. Within four months, the account had reached 300,000 followers and was being followed by celebrities.
http://www.freevideoke.com/ - Videoke-Karaoke is an instrumental accompaniments to songs with the vocal tracks removed, allowing the user to sing the lead.
http://myexwifesweddingdress.com - Kevin Cotter of Arizona is a single man again, now that his wife of 12 years has left him. When she moved out, she took all of her stuff -- except for her wedding dress. So Cotter came up with 101 uses for the dress.
http://www.vendingspree.com/ - There are a lot of busy workers in your office every day, but perhaps no one works harder than the office vending machine, serving up tasty snacks to its loyal admirers. VendingSpree.comis a blog created by a guy who's trying every item in his office's vending machine and then writing a review of each one.
http://antivuvuzelafilter.com/ - an "Anti Vuvuzela Filter" that promises to silence the sound of the World Cup trumpets. The company says its $3.60 mp3 file cancels the vuvuzela noise for TV viewers by producing a sound wave similar to the horn's noise. Anthony Sullivan, a physicist at South Africa's Rhodes University, calls the filter "a marketing hype and a waste of money."