The referral community
Invitation App is a social network where people post their referral codes and collect rewards on autopilot.
Instant, affordable audience response without clickers, using any mobile device.
Poll Everywhere is a real time audience response application that allows presenters and educators to get feedback from any mobile device via SMS, Twitter, and the Web. Polls can be embedded in PowerPoint and Keynote, and results shown in presentation in real time. ...
Instant updates from your friends and the world
Twitter is a real-time information network that connects you to the latest stories, ideas, opinions and news about what you find interesting. Simply find the accounts you find most compelling and follow the conversations.
Communication for every app
Nexmo offers SMS and Voice APIs through REST and SMPP. We offer unparalleled message and voice call deliverability at an optimum price point. Currently seven of the top ten messaging platforms rely on Nexmo to route SMS and Voice calls to over 200 countries ...
Let your friends make decisions for you.
Cloudy is an iPhone app that lets your friends make decisions for you. It’s perfect for organizing groups (“where should we go for dinner tonight?”) and making personal decisions (“does this shirt look good on me?”). Users can ask questions to anyone in their address ...
Answers for everyone.
Quest is a smartphone application that is used for asking subjective questions for which human judgment or recommendation is desired. Ask a question from any mobile phone via text message, iPhone and Android apps. Within minutes, someone will answer your question. ...
The easiest and most private way to share things with your significant other (YC W12)
Couple is an app just for the two of you. It helps you stay connected, and feel close to each other. Whether it's texting, sharing videos, photos, sketching together and more, Couple let's your partner know that you're thinking about them.