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Amazon Web Services just reported jaw-dropping growth in the number of objects stored in Amazon S3 year over year.

"As of the end of 2011, there are 762 billion (762,000,000,000) objects in Amazon S3. We process over 500,000 requests per second for these objects at peak times," AWS Evangelist Jeff Bar wrote on the company's blog tonight. The company reported 262 billion objects in storage in Q4 of 2010. "This represents year-over-year growth of 192%; S3 grew faster last year than it did in any year since it launched in 2006." Independent analysts say this is indicative of the growth of the cloud in general and of Amazon's striking dominance of the market.

It should be any entrepreneur's dream come true. But for some startups, a sudden, overnight explosion in growth can nearly bring the operation to its knees.

Such was the recent experience of Blank Label, a Web-based company that sells custom-made, user-designed dress shirts for men. After launching in October 2009, Blank Label enjoyed some modest initial success, selling a few hundred shirts in the first few months of business.

A new study published by professors at the Harvard Business School shows that angel-backed companies are more likely to succeed and show more growth than those funded by venture firms alone. Researched and written by William Kerr and Josh Lerner, the report found that companies with angel funding see between 30% and 50% higher growth figures in terms of website traffic, are more likely to survive for four years, and are also in a better position to receive further rounds of funding.

After news about the landing of US Airways 1549 in the Hudson first broke on Twitter in January 2009, the microblogging service quickly captured the imagination of a new group of potential users. Throughout the first months of 2009, Twitter grew at a rapid pace, peaking at a growth rate of 13% in March 2009.

Now, however, according to the latest data from HubSpot, Twitter's growth is slowing dramatically. In October 2009, Twitter's growth rate had fallen to 3.5%. On a positive note, though, the average active user on Twitter today is more engaged than six months ago.

Author of Four Steps to the Epiphany and blogger Steve Blank has not only been an entrepreneur in several startups, he also teaches entrepreneurship in universities. In his latest blog post entitled, "A Startup is Not a Smaller Version of a Large Company", Blank argues that the process of transition from "garage to Google" is a bumpy ride that requires more than just agile development and team building.

Last night, Nielsen Online reported that Twitter has now surpassed Facebook and others to become the fastest-growing site in the "Member Communities" category for the month of February. Although Facebook, the world's most popular social network, has more members than Twitter, that's not what this measurement is about - it's about growth. And Twitter is growing. It's growing like crazy.

If there's any doubt that Facebook is rapidly becoming the next big thing in social networks, you only need look at their recent statistics. According to new reports, in recent weeks Facebook is growing at a rate of 600,000 users each day, up from 300,000 to 400,000 users per day earlier this quarter. The company is also reporting that, as of today, they have reached 140 million active users.