What happened Shares of Twilio (NYSE: TWLO) have popped today, up by 7% as of 11 a.m. EST, after the company reported fourth-quarter earnings. The results topped expectations, and revenue guidance for the first quarter was also strong. So what Revenue in the fourth quarter increased 65% to $548.1 million, utterly destroying the consensus estimate of $454.9 million in sales. That included $23 million from Segment, which Twilio acquired in November. That all resulted in adjusted earnings per share of $0.04, while Wall Street was expecting the communications technology company to report an adjusted net loss of $0.07 per share. Image source: Twilio. "Twilio's 65% year-over-year total revenue growth in the fourth quarter continued the strength and momentum we saw throughout an outstanding year of results in which we delivered $1.76 billion in revenue," CEO Jeff Lawson said in a statement. "These results reinforced that we are addressing a generational opportunity, and with our acquisition of Segment and strong traction with Flex, we are building the leading customer engagement platform to improve every interaction that businesses have with their customers." Twilio finished the year with over 221,000 active customers, up from 179,000 at the end of 2019. Dollar-based net expansion rate in the fourth quarter was 139%, showing that Twilio continues to grow relationships with existing customers. Now what Outlook for the first quarter calls for revenue of $526 million to $536 million, well above the $487.2 million in sales that analysts are modeling for. That should result in an adjusted net loss per share of $0.09 to $0.12, which is worse than the $0.02 per share in adjusted losses that the market is expecting. 10 stocks we like better than TwilioWhen investing geniuses David and Tom Gardner have a stock tip, it can pay to listen. After all, the newsletter they have run for over a decade, Motley Fool Stock Advisor, has tripled the market.* David and Tom just revealed what they believe are the ten best stocks for investors to buy right now... and Twilio wasn't one of them! That's right -- they think these 10 stocks are even better buys. See the 10 stocks *Stock Advisor returns as of November 20, 2020 Evan Niu, CFA owns shares of Twilio. The Motley Fool owns shares of and recommends Twilio. The Motley Fool has a disclosure policy.Source