Promote art and make it fun to consume it.
A website and app that invites people to join a global game of who is the biggest art consumer, who sees the most exhibitions, etc. Have leaderboards in many major and minor categories, like geographic (country, state, city), topical (paintings, sculptures), movements (impressionists, fauvists), etc.
The results are different but so is the time investment.
A website listing recipes and for each one the different cooking times you can use and the differences in results you get with each cooking time.
For the sci-fi lovers.
A website (and book) dedicated to recipes and techniques for cooking the food from popular science fiction books, movies, and TV shows.
Get to know the truth.
A website (and TV series) dedicated to examining food myths like putting salt on sweet dishes, drinking during a meal, etc. examining the truths and falsehoods behind these food myths.
For people who love writing journals.
A shop that offers only quality (but not only expensive) notebooks, pens and books and essays about writing.