Google Hangouts Startups

Charisma on Command is an online education platform co-founded by Charlie Hooper that teaches social confidence and charisma. Using a lean startup approach with customer surveys and a creative scholarship contest, Charlie pre-sold $12,500 worth of a course that didn't exist yet by having 50 people write persuasive essays about why they needed the program. The course has since evolved into a membership portal with a sales page converting at 2-3% from cold traffic.

StudySoup is an education marketplace launched in April 2014 that connects college students by allowing top performers to sell study materials (lecture notes, study guides, flashcards) to classmates via subscription. The platform generated approximately $40,000-$45,000 in first month revenue, grew to $400,000 in 2015 (10x growth), and was tracking toward several million in 2016 revenue. With over 5,000 active monthly subscribers and nearly 1,000 elite note-takers, StudySoup demonstrates strong marketplace dynamics with a subscription SaaS model.

Cirrus Insights is a productivity platform for Gmail and Outlook that helps sales teams with prospecting, email tracking, meeting scheduling, and deal closing. Over six years, Brandon Bruce grew the company from a few hundred thousand to over $1M MRR with 150,000 paying users and 250,000 total users across acquired products. The company maintains a bootstrapped model with low churn (~15-20% annually) and healthy unit economics, recently acquiring Attach to expand document management and e-signature capabilities.

Let's Chat is a SaaS messaging platform launched in May 2019 by serial entrepreneur Ankesh Kumar that enables outbound salespeople to embed interactive chatbots directly into cold emails, allowing prospects to engage in real-time conversations without leaving their inbox. Currently pre-revenue with a $5,000/month burn rate and a team of two, the company is growing through cold outreach with a 50% email open rate and 10% chatbot engagement rate—significantly above industry averages. Kumar is focused on landing five paying customers by year-end and building partnership integrations with platforms like Salesforce, Sales Loft, and Outreach before aggressively scaling.