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I open my email this morning and there’s a long message from a vaguely familiar name. It’s dozen paragraphs long but I start to read it.
The first couple paragraphs explain that I’ve connected with this person in the past either through some hipster activities in the DC area or through blogging, and the author was going through their gmail address book and writing to everyone. It sounds extremely important; they sound honest and this sounds urgent, so I read on.
They apologize for the mass mail, but explain further that even though the author knows not everyone is politically involved, there’s a bit of a crisis in Washington that they felt was important to share at this tumultuous time. The anxiety in the author’s voice is palpable and I’m right there with him. “What is it he needs us to do? How can we help?” I ask myself as I continue reading.
The call to action comes in the last paragraph. The culmination of the email is that we friends of the author should check out a few youtube videos that will explain everything. I’m dying to know what they are about.
Genital Mutilation story from Africa?
Doctors Without Borders plea?!
Environmental disasters in China?!
I push play on the first video.
Ron Paul campaign ad. It’s fucking Ron Paul. 12 paragraphs to spam every single person the author knows, all for a fucking Ron Paul ad. I look up at the To: line and see about 100 names, all starting with M, like mine. This douchebag sat here and did this by hand all day with his stupid Gmail address book. I’ve heard Ron Paul fans described as “crazies” and now I know why.
The technique of using CSS to replace normal HTML text, mostly for headings, with a background image in order to achieve a particular look has been talked about many, many times since early 2003.
Several different image replacement methods have been proposed, each with their pros and cons. Some methods create accessibility problems, while others place restrictions on the type of image you can use or force you to use extraneous markup. No method that I am aware of is perfect.
What surprises me a little is that I still see people using image-based techniques that do not work at all for people browsing with images off. One of the tests I perform when checking sites for accessibility and universality is to simply turn off images in my web browser. In some cases that makes text disappear because an image replacement has been used that does not account for people with CSS on and images off.
In most cases you can and should use an image replacement method that avoids that problem. On the few occasions when I need image replacement I turn to either the Gilder/Levin Method as described by Dave Shea or, if the replaced text is linked and CSS support for IE/Mac is required, the Gilder Levin Ryznar Jacoubsen IR method.
A drawback that both methods share is that they require adding an empty inline element to the markup, but that's a small price to pay for making the text available to everybody. Another drawback they have in common is that they don't work well with partially transparent images, so if you have to use transparency you'll need to decide whether to adjust the design or hide the replaced text from people with images off.
In the end it's your call, but I hope this has at least made you aware of one problem image replacement can cause as well as a couple of methods that eliminate it.
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Whenever I miss London I like to look at the photographs at Curiously Incongruous. For the past few year’s Eric Perlberg has walked thousands of kilometres of every part of the city and taken over 3,500 photos. Eric doesn’t capture the tourist’s London, but the city that Londoners know - defaced road signs, gaps between pebble-dashed houses, brutal advertising hoardings and abandoned cars. You’ll rarely see people in his photos, something that lends them a feeling of isolation, but occasionally Eric appears as a reflection in a shop window or a shadow against concrete, wielding his camera. It’s a fascinating document and a real treat for any ex-Londoner.