A dual-class structure creates two classes of shares, each with different voting rights
Currently, Snapchat has nearly 150 million daily active users.
Snapchat is introducing 'Our Story' -- a new global live story
The company was founded in 2012 and has raised a few million dollars
Social networks have traditionally formed tight bonds with actors, musicians, politicians and people who are known for nothing besides their online presence
International expansion is a natural next step for the five-year-old start-up
A couple of weeks ago, Snap filed confidential documents for a coming stock offering that could value the firm at $30 billion
Snap is planning an initial public offering valuing it at more than $20 bn just 2 years after it first began to generate revenue
Snapchat filed with the Securities and Exchange Commission under the US Jumpstart Our Business Startups Act
An IPO valued at $25 billion would be significantly higher than Snapchat's most recent valuation of $17.81 billion, based on a $1.81 billion financing round in May
The IPO would be the largest by any technology company after Chinese e-commerce giant Alibaba Group
Here's a look at what Snap Inc's Spectacles might offer
It currently has 150 million daily active users
Snapchat has persuaded brands like Tiffany & Company, Kraft Foods and Burger King that its ads let them interact playfully with this young audience
With this financing round, the company's valuation has jumped up to $17.81 billion
It has faced concerns that its estimated valuation is not justified because of its uneven revenue stream