The Wall Street Journal has put together a list of the biggest trends affecting startups in 2013. The list comprises trend predictions by startup mentors like Jonathan Schwartz, who puts online privacy as the big issue of 2013, since consumers are going to demand clear privacy policies. David Cohen, founder and CEO of TechStars, predicts that Cloud-based storage will go mainstream and that these services need to be made more user-friendly for the masses. Other predictions range from the rise of tablet-only-entertainment to empowering offline activities and industries. Read the full list of trend predictions here.