Looking back through our archives from 2012, it’s amazing how far tech, gadgets and social media have come. Just think: how many of you were on Instagram or Pinterest a year ago? And look how many times Facebook has changed their terms of service since then!

By number of visitors, here are our top tech posts of 2012, from safety tips to strange gadgets, top apps and more. Also, we’re so pleased that we could help tens of thousands of readers figure out how to make collages on Instagram. -Liz and Kristen

Lifeproof Vs OtterboxFacebook Bug Posts Private Messages on Your WallCoolest Apps for Little Kids and PreschoolersiPhone Photo Printer

top tech posts of 2012 | cool mom tech

How to Make Photo Collages on InstagramMobisante Smartphone Ultrasound DeviceThe Best Newborn AppsIs the iPad Mini Good for Kids?

top tech posts of 2012 | cool mom tech

5 Ways to Get More out of InstagramTips for Taking Better Photos with Your iPhoneHow to Get Your Personal Info Off SpokeoApps for Storing Kids Artwork