OBQ 252...

The most happening thing on internet...

Clue 1: The Development cost of this product was less than $150K the revenue so far is close to $100 million and counting.

Clue 2: This application that got its inspiration from Swine Flu holds the record for being on no.1 on the best app charts!

Clue 3: The developer's logo.

Answer: Rovio and their blockbuster product Angry Bird.