Impossible I-1 Instant Camera - Take real polaroid photos with your iPhone
Poet.so - Capture and share Twitter posts as beautiful images
AiryCam - Look good in every photo
Twitter Ads - Twitter offers targeted ad placement on their ad platform.
Priime - Edit photos with the styles of the world's top photographers. Smart suggestions, fast editing, and inspiring collections.
Tweetlet - Tweetlet is a free tool that lets you create beautiful images from your tweets, text, and any other images in a snap.