there are image hosting offering free image upload services with direct linking. how do they manage to sustain their operations without asking any money or generating money from ads? probably several TB of images are being uploaded daily. some mention that they host files on a CDN, what is the catch am i missing?
imgbox.com
pixhost.to
imgbox - fast, simple image host
Use imgbox to upload, host and share all your images. It's simple, free and blazing fast!
PiXhost - Free Image Hosting
PiXhost - free image hosting. Upload your images for free, up to 10MB per image!