most beautiful tech company and product logos, spanning from startups to more-established companies. Let us know in the comments if we skipped any other great ones. Let's start with some startups.

Designing a logo can open a company up to a lot of praise ... we decided to take a look at some of the worst/most controversial logos in tech. Notification app Yo doesn't even have a logo.

Sure, the logo for Twitter cofounder Biz Stone's Q&A app Jelly looks like a jellyfish. But it's also a brain.

The logo has undergone some subtle changes ... while symbolizing the endless products the company sells. Microsoft is one of the world's top tech giants, known for its vast portfolio of apps ...