What happened Shares of Twilio (NYSE: TWLO) soared 278.4% in 2018, according to data from S&P Global Market Intelligence. The internet communications company delivered a string of impressive earnings reports to power one of the year's most impressive stock performances. ^SPX data by YCharts Strong demand for the company's internet-based telephone and messaging services and evidence that the company is moving toward consistent profitability have made Twilio one of the tech sector's top performers over the past several years. The stock trades up roughly 550% from its $15 IPO price in 2016. Image source: Getty Images. So what Twilio's trailing revenue has climbed by more than 230% since the company went public, and it appears the business is on track to continue delivering strong growth. The company's third quarter saw sales increase 68% year over year as user spending has increased and new customers have signed up for its services. The business ended the quarter ended in September with roughly 61,000 customers, up 32% year over year, and there's still a huge addressable market for it to tap into. Now what Twilio stock's impressive run has continued in 2019, with shares continuing to climb amid momentum for the broader market. The company's share price is up roughly 9.5% in January's trading so far. ^SPX data by YCharts Twilio is expected to report fourth-quarter earnings after the market closes on Feb. 12. Management is guiding for sales in the quarter ended in December to come in between $183 million and $185 million, representing roughly 60% growth year over year at the midpoint, and for non-GAAP earnings per share to be between $0.02 and $0.03, up from a loss of $0.03 per share in the prior-year period. Shares trade at roughly 11.6 times the year's expected sales. 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 quadrupled the market.* David and Tom just revealed what they believe are the 10 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. Click here to learn about these picks! *Stock Advisor returns as of November 14, 2018Keith Noonan has no position in any of the stocks mentioned. The Motley Fool owns shares of and recommends Twilio. The Motley Fool has a disclosure policy.