Poet.so - Capture and share Twitter posts as beautiful images
Impossible I-1 Instant Camera - Take real polaroid photos with your iPhone
Twitter Ads - Twitter offers targeted ad placement on their ad platform.
The Polaroid Lab - Turn your smartphone photos into polaroids
Tweetlet - Tweetlet is a free tool that lets you create beautiful images from your tweets, text, and any other images in a snap.
Pictriev - Pictriev is a face recognition application that enables you to search for celebrities that look like you on the internet.